Identification_Information: Citation: Citation_Information: Originator: Wilson, Frederic H. Originator: Hults, Chad P. Originator: Shew, Nora Originator: Labay, Keith A. Publication_Date: 2008 Title: Digital data for the geology of the Prince William Sound and Kenai Peninsula region, Alaska Edition: ver 1.0 Geospatial_Data_Presentation_Form: vector digital data Series_Information: Series_Name: U.S. Geological Survey Open-File Report Issue_Identification: OFR 2008-1002 Online_Linkage: http://pubs.usgs.gov/of/2008/1002 Larger_Work_Citation: Citation_Information: Originator: Wilson, Frederic H. Originator: Hults, Chad P. Originator: Shew, Nora Originator: Labay, Keith A. Publication_Date: Unknown Title: Geology of the Prince William Sound and Kenai Peninsula region, Alaska Geospatial_Data_Presentation_Form: map Series_Information: Series_Name: U.S. Geological Survey Open-File Report Issue_Identification: OF 2008-1002 Description: Abstract: The Prince William Sound and Kenai Peninsula region includes a significant part of one of the world's largest accretionary complexes and a small part of the classic magmatic arc geology of the Alaska Peninsula. Physiographically, the map area ranges from the high glaciated mountains of the Alaska-Aleutian Range and the Chugach Mountains to the coastal lowlands of Cook Inlet and the Copper River delta. Structurally, the map area is cut by a number of major faults and postulated faults. Most important of these are the Border Ranges, Contact, and Bruin Bay fault systems. This map has been compiled from existing mapping, without generalizations, and new or revised data has been added where available. This data set is a portion of a statewide geology database, which is being compiled by the U.S. Geological Survey's National Surveys and Analysis (NSA) project, whose goal is to compile geologic, geochemical, geophysical, and other data. Purpose: This data set represents part of a systematic effort to release geologic map data for the United States in a uniform manner. Geologic data in this series has been compiled from a wide variety of sources, published and unpublished, ranging from state and regional geologic maps to large- scale field mapping. Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 2008 Currentness_Reference: publication date Status: Progress: Complete Maintenance_and_Update_Frequency: As needed Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -153.0 East_Bounding_Coordinate: -144.0 North_Bounding_Coordinate: 61.0 South_Bounding_Coordinate: 59.0 Keywords: Theme: Theme_Keyword_Thesaurus: None Theme_Keyword: geology Theme_Keyword: accretionary complex Theme_Keyword: magmatic arc Theme_Keyword: faults Place: Place_Keyword_Thesaurus: Geographic names information system (GNIS) Place_Keyword: Alaska Place_Keyword: Prince William Sound Place_Keyword: Cook Inlet Place_Keyword: Kenai Peninsula Place_Keyword: Alaska Peninsula Place_Keyword: Kenai Place_Keyword: Seldovia Place_Keyword: Seward Place_Keyword: Blying Sound Place_Keyword: Cordova Place_Keyword: Middleton Island Access_Constraints: None Use_Constraints: None. Acknowledgment of the U.S. Geological Survey would be appreciated in products derived from these data. Point_of_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Person: Frederic H. Wilson Contact_Position: Geologist Contact_Address: Address_Type: mailing and physical address Address: 4200 University Drive City: Anchorage State_or_Province: Alaska Postal_Code: 99508-4667 Country: U.S.A. Contact_Voice_Telephone: 907-786-7448 Contact_Electronic_Mail_Address: fwilson@usgs.gov Browse_Graphic: Browse_Graphic_File_Name: Browse_Graphic_File_Description: Browse_Graphic_File_Type: Data_Set_Credit: This data set was prepared by Frederic H. Wilson (USGS), Chad Hults (USGS), Keith Labay (USGS), D. Thomas Donley (USGS), Lana Cohen (contractor), Karen Preston (USFS), Michelle Victor (contractor), and Nora Shew (USGS). Native_Data_Set_Environment: Data set was created using ESRI ARC/Info version 7.2.1 on a Unix platform Data_Quality_Information: Attribute_Accuracy: Attribute_Accuracy_Report: There were many types of source materials, of varying scale, used to compile this data set. Sources include previously published maps, unpublished mapping, and air photo interpretation. The dates of the mapping range from the present to 1960's. Vector features were mostly digitized on a large digitizing tablet. Vector and polygon attributes were assigned based on the original source. The digital data has been checked, and the geologic map has been technically reviewed and edited. Logical_Consistency_Report: Each geology coverage is a network coverage containing attributed arcs and polygons. Each polygon has a coded attribute designating the mapped geologic unit. Faults, stratigraphic contacts, and other linear features are represented as arcs. When a fault is also a stratigraphic contact, only a single arc is present. Dangling arcs may be present (faults, dike, etc.) Completeness_Report: The complete data set consists of 15 different GIS coverages, six geology coverages, three lineation coverages, five fold coverage, and a dike coverage. There is also an associated relational database of geologic units. Each coverage has the extent of a 1:250,000 scale quadrangle. A graphic representation of the database and a report with complete geologic unit descriptions is provided in .pdf format. Positional_Accuracy: Horizontal_Positional_Accuracy: Horizontal_Positional_Accuracy_Report: This data is presented for use at a nominal scale of 1:350,000, although some sources were from 1:250,000 scale mapping. Lineage: Process_Step: Process_Description: Line work for the geology compilation was hand digitized from material of various media and scale. The arcs and polygons were attributed. The spatial databases are provided in UTM projection and geographic coordinates. The native ARC/Info coverages have been exported to an interchange file format, and also converted to shape files. Process_Date: 2007 Process_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Person: Frederic H. Wilson Contact_Position: Geologist Contact_Address: Address_Type: mailing and physical Address: 4200 University Drive City: Anchorage State_or_Province: Alaska Postal_Code: 99508-4667 Country: U.S.A. Contact_Voice_Telephone: 907-786-7448 Contact_Electronic_Mail_Address: fwilson@usgs.gov Spatial_Data_Organization_Information: Direct_Spatial_Reference_Method: Vector Spatial_Reference_Information: Horizontal_Coordinate_System_Definition: Planar: Grid_Coordinate_System: Grid_Coordinate_System_Name: Universal Transverse Mercator Universal_Transverse_Mercator: UTM_Zone_Number: 5 Transverse_Mercator: Scale_Factor_at_Central_Meridian: 0.9996 Longitude_of_Central_Meridian: -153.0 Latitude_of_Projection_Origin: 0.0 False_Easting: 500000 False_Northing: 0 Planar_Coordinate_Information: Planar_Coordinate_Encoding_Method: coordinate pair Coordinate_Representation: Abscissa_Resolution: 0.000256 Ordinate_Resolution: 0.000256 Planar_Distance_Units: meters Planar: Grid_Coordinate_System: Grid_Coordinate_System_Name: Universal Transverse Mercator Universal_Transverse_Mercator: UTM_Zone_Number: 6 Transverse_Mercator: Scale_Factor_at_Central_Meridian: 0.9996 Longitude_of_Central_Meridian: -147.0 Latitude_of_Projection_Origin: 0.0 False_Easting: 500000 False_Northing: 0 Planar_Coordinate_Information: Planar_Coordinate_Encoding_Method: coordinate pair Coordinate_Representation: Abscissa_Resolution: 0.000256 Ordinate_Resolution: 0.000256 Planar_Distance_Units: meters Geodetic_Model: Horizontal_Datum_Name: North American Datum of 1927 Ellipsoid_Name: Clarke 1866 Semi-major_Axis: 6378206.4 Denominator_of_Flattening_Ratio: 294.9787 Entity_and_Attribute_Information: Detailed_Description: Entity_Type: Entity_Type_Label: polygons Entity_Type_Definition: Characteristics of the polygon features in the geology coverages are coded in the polygon attribute table. The table .pat includes the following items: CLASS, QCLASS (not used), LITH2 (not used), SOURCE, NSACLASS, NSAMOD, LABEL, MIN_AGE, and MAX_AGE. Entity_Type_Definition_Source: this data set Attribute: Attribute_Label: NSACLASS Attribute_Definition: NSACLASS is a positive integer value (4 5 B) item in the polygon attribute table. Values range discontinuously from 100 to 5220. NSACLASS is a numeric code for the geologic unit. This data set represents a generalized map, thus it is possible that a geologic unit is made of multiple NSACLASS values. Each NSACLASS matches with geologic unit labels in LABEL and has a minimum (MIN_AGE) and maximum (MAX_AGE) range, given in million of years (my). Supplemental attribute tables included with this data set contain additional descriptive information of each geologic unit. A user may use items SOURCE and CLASS to retrieve information about the original units from which these generalized units were formed. NOTE: Because of the limitations of common GIS fonts, the letters "Tr" and "Mz" are substituted for the standard symbols for "Triassic" and "Mesozoic". Attribute_Definition_Source: this data set Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 100 Enumerated_Domain_Value_Definition: Qs - Unconsolidated surficial deposits, undivided (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 101 Enumerated_Domain_Value_Definition: ice Enumerated_Domain: Enumerated_Domain_Value: 102 Enumerated_Domain_Value_Definition: water Enumerated_Domain: Enumerated_Domain_Value: 103 Enumerated_Domain_Value_Definition: Qtf - Modern tidal flat and estuarine deposits (Quaternary, Holocene) Enumerated_Domain: Enumerated_Domain_Value: 105 Enumerated_Domain_Value_Definition: Qat - Alluvial and terrace deposits (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 106 Enumerated_Domain_Value_Definition: Qat - Alluvial and terrace deposits (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 107 Enumerated_Domain_Value_Definition: Qls - Landslide and colluvial deposits (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 108 Enumerated_Domain_Value_Definition: Qls - Landslide and colluvial deposits (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 109 Enumerated_Domain_Value_Definition: Qat - Alluvial and terrace deposits (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 110 Enumerated_Domain_Value_Definition: Qat - Alluvial and terrace deposits (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 111 Enumerated_Domain_Value_Definition: Qat - Alluvial and terrace deposits (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 112 Enumerated_Domain_Value_Definition: Qsl - Lacustrine, swamp, and fine silt deposits (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 113 Enumerated_Domain_Value_Definition: Qsl - Lacustrine, swamp, and fine silt deposits (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 114 Enumerated_Domain_Value_Definition: Qat - Alluvial and terrace deposits (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 115 Enumerated_Domain_Value_Definition: Qb - Beach deposits (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 116 Enumerated_Domain_Value_Definition: Qes - Estuarine deposits (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 117 Enumerated_Domain_Value_Definition: Qes - Estuarine deposits (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 119 Enumerated_Domain_Value_Definition: Qd - Eolian deposits (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 120 Enumerated_Domain_Value_Definition: Qd - Eolian deposits (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 123 Enumerated_Domain_Value_Definition: Qgl - Glaciolacustrine deposits (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 124 Enumerated_Domain_Value_Definition: Qgl - Glaciolacustrine deposits (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 125 Enumerated_Domain_Value_Definition: Qm - Glacial deposits (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 126 Enumerated_Domain_Value_Definition: Qm - Glacial deposits (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 127 Enumerated_Domain_Value_Definition: Qm - Glacial deposits (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 128 Enumerated_Domain_Value_Definition: Qls - Landslide and colluvial deposits (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 130 Enumerated_Domain_Value_Definition: Qag - Drift of Neoglacial age (Holocene) Enumerated_Domain: Enumerated_Domain_Value: 131 Enumerated_Domain_Value_Definition: Qao - Outwash of the Neoglacial age (Holocene) Enumerated_Domain: Enumerated_Domain_Value: 135 Enumerated_Domain_Value_Definition: Qgn - Glacial deposits of the Naptowne and Brooks Lake Glaciations (Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 136 Enumerated_Domain_Value_Definition: Qgn - Glacial deposits of the Naptowne and Brooks Lake Glaciations (Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 137 Enumerated_Domain_Value_Definition: Qgn - Glacial deposits of the Naptowne and Brooks Lake Glaciations (Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 138 Enumerated_Domain_Value_Definition: Qgn - Glacial deposits of the Naptowne and Brooks Lake Glaciations (Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 139 Enumerated_Domain_Value_Definition: Qgn - Glacial deposits of the Naptowne and Brooks Lake Glaciations (Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 140 Enumerated_Domain_Value_Definition: Qgno - Outwash and valley train deposits (Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 170 Enumerated_Domain_Value_Definition: Qdl - Deltaic deposits (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 190 Enumerated_Domain_Value_Definition: Qog - Older glacial deposits (Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 194 Enumerated_Domain_Value_Definition: Qog - Older glacial deposits (Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 195 Enumerated_Domain_Value_Definition: Qogo - Outwash associated with older glacial deposits (Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 200 Enumerated_Domain_Value_Definition: Qch - Moraine of the Caribou Hills Glaciation (Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 201 Enumerated_Domain_Value_Definition: Qch - Moraine of the Caribou Hills Glaciation (Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 295 Enumerated_Domain_Value_Definition: Qs - Unconsolidated surficial deposits, undivided (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 300 Enumerated_Domain_Value_Definition: Qv - Volcanic rocks, undivided (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 305 Enumerated_Domain_Value_Definition: Qv - Volcanic rocks, undivided (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 311 Enumerated_Domain_Value_Definition: Qv - Volcanic rocks, undivided (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 312 Enumerated_Domain_Value_Definition: Qdf - Debris-flow deposits (Holocene) Enumerated_Domain: Enumerated_Domain_Value: 313 Enumerated_Domain_Value_Definition: Qdf - Debris-flow deposits (Holocene) Enumerated_Domain: Enumerated_Domain_Value: 314 Enumerated_Domain_Value_Definition: Qdf - Debris-flow deposits (Holocene) Enumerated_Domain: Enumerated_Domain_Value: 402 Enumerated_Domain_Value_Definition: Qad - Andesite and dacite domes (Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 540 Enumerated_Domain_Value_Definition: Ts - Kenai Group, Sterling Formation (Pliocene and Miocene) Enumerated_Domain: Enumerated_Domain_Value: 545 Enumerated_Domain_Value_Definition: Tb - Kenai Group, Beluga Formation (Miocene) Enumerated_Domain: Enumerated_Domain_Value: 560 Enumerated_Domain_Value_Definition: Tkn - Kenai Group (Tertiary, Pliocene to Oligocene) Enumerated_Domain: Enumerated_Domain_Value: 565 Enumerated_Domain_Value_Definition: QTy - Yakataga Formation (Quaternary, Pleistocene to Tertiary, Miocene) Enumerated_Domain: Enumerated_Domain_Value: 600 Enumerated_Domain_Value_Definition: Tty - Kenai Group, Tyonek Formation (Miocene and Oligocene) Enumerated_Domain: Enumerated_Domain_Value: 630 Enumerated_Domain_Value_Definition: Th - Kenai Group, Hemlock Conglomerate, undivided (Oligocene) Enumerated_Domain: Enumerated_Domain_Value: 675 Enumerated_Domain_Value_Definition: Tr - Redwood Formation (Tertiary, Pliocene to Oligocene?) Enumerated_Domain: Enumerated_Domain_Value: 680 Enumerated_Domain_Value_Definition: Tps - Poul Creek Formation, Sedimentary rocks (Tertiary, early Miocene to late Eocene) Enumerated_Domain: Enumerated_Domain_Value: 810 Enumerated_Domain_Value_Definition: Tt - Tokun Formation (Tertiary, Eocene) Enumerated_Domain: Enumerated_Domain_Value: 820 Enumerated_Domain_Value_Definition: Tsw - Stillwater Formation (Tertiary, Eocene) Enumerated_Domain: Enumerated_Domain_Value: 855 Enumerated_Domain_Value_Definition: Twf - West Foreland Formation (Tertiary, Eocene and Paleocene) Enumerated_Domain: Enumerated_Domain_Value: 860 Enumerated_Domain_Value_Definition: Tkt - Kulthieth Formation (Tertiary, Eocene) Enumerated_Domain: Enumerated_Domain_Value: 950 Enumerated_Domain_Value_Definition: Tos - Orca Group, Sedimentary rocks, undivided (Tertiary, early middle Eocene to late Paleocene) Enumerated_Domain: Enumerated_Domain_Value: 951 Enumerated_Domain_Value_Definition: Tovs - Volcanic and sedimentary rocks (Tertiary, Eocene) Enumerated_Domain: Enumerated_Domain_Value: 952 Enumerated_Domain_Value_Definition: Toc - Orca Group, Conglomerate (Tertiary, early middle Eocene to late Paleocene) Enumerated_Domain: Enumerated_Domain_Value: 1000 Enumerated_Domain_Value_Definition: Tvu - Lava flows (middle? to late? Tertiary) Enumerated_Domain: Enumerated_Domain_Value: 1053 Enumerated_Domain_Value_Definition: Tdc - Dacite of Cape Saint Elias (Tertiary, Pliocene or Miocene) Enumerated_Domain: Enumerated_Domain_Value: 1080 Enumerated_Domain_Value_Definition: Tpv - Poul Creek Formation, Volcanic rocks (Tertiary, early Miocene to late Eocene) Enumerated_Domain: Enumerated_Domain_Value: 1090 Enumerated_Domain_Value_Definition: Tm - Mafic plugs (Tertiary, Oligocene?) Enumerated_Domain: Enumerated_Domain_Value: 1135 Enumerated_Domain_Value_Definition: Tov - Volcanic rocks, undivided (Tertiary, Eocene) Enumerated_Domain: Enumerated_Domain_Value: 1136 Enumerated_Domain_Value_Definition: Top - Pillow basalt (Tertiary, Eocene) Enumerated_Domain: Enumerated_Domain_Value: 1137 Enumerated_Domain_Value_Definition: Tod - Sheeted basalt dikes (Tertiary, Eocene) Enumerated_Domain: Enumerated_Domain_Value: 1270 Enumerated_Domain_Value_Definition: Tg - Granitic rocks (Tertiary, Oligocene? and latest Eocene) Enumerated_Domain: Enumerated_Domain_Value: 1273 Enumerated_Domain_Value_Definition: Tg - Granitic rocks (Tertiary, Oligocene? and latest Eocene) Enumerated_Domain: Enumerated_Domain_Value: 1294 Enumerated_Domain_Value_Definition: Tgd - Gabbro and diorite (Tertiary, Oligocene and older) Enumerated_Domain: Enumerated_Domain_Value: 1300 Enumerated_Domain_Value_Definition: Tgg - Granite and granodiorite (Tertiary, Eocene) Enumerated_Domain: Enumerated_Domain_Value: 1301 Enumerated_Domain_Value_Definition: TKd - Dikes (early Tertiary to Early Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 1320 Enumerated_Domain_Value_Definition: Tgh - Granitic rocks of Harding Icefield region (Tertiary, Eocene and Paleocene) Enumerated_Domain: Enumerated_Domain_Value: 1374 Enumerated_Domain_Value_Definition: Togb - Gabbro (Tertiary, Eocene) Enumerated_Domain: Enumerated_Domain_Value: 1375 Enumerated_Domain_Value_Definition: Tou - Ultramafic rocks (Tertiary, Eocene) Enumerated_Domain: Enumerated_Domain_Value: 1380 Enumerated_Domain_Value_Definition: Tmu - Mafic and ultramafic plutonic rocks (Tertiary, Eocene and Paleocene?) Enumerated_Domain: Enumerated_Domain_Value: 1660 Enumerated_Domain_Value_Definition: TKgd - Granodiorite (Tertiary and (or) Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 1961 Enumerated_Domain_Value_Definition: Ksm - Saddle Mountain section of Magoon and others (1980) (Upper Cretaceous, Maastrichtian) Enumerated_Domain: Enumerated_Domain_Value: 2190 Enumerated_Domain_Value_Definition: KMm - McHugh Complex (Cretaceous to Mississippian) Enumerated_Domain: Enumerated_Domain_Value: 2198 Enumerated_Domain_Value_Definition: KJms - McHugh Complex, graywacke and conglomerate (Early Cretaceous to Early Jurassic, Pliensbachian) Enumerated_Domain: Enumerated_Domain_Value: 2199 Enumerated_Domain_Value_Definition: KTrmc - McHugh Complex, basalt and chert (Early Cretaceous, Albian to Middle Triassic, Ladinian) Enumerated_Domain: Enumerated_Domain_Value: 2430 Enumerated_Domain_Value_Definition: Kqd - Quartz diorite (Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 2700 Enumerated_Domain_Value_Definition: Kvs - Valdez Group, Metasedimentary rocks, undivided (Upper Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 2702 Enumerated_Domain_Value_Definition: Kvvs - Valdez Group, Interbedded metavolcanic and metasedimentary rocks (Upper Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 2705 Enumerated_Domain_Value_Definition: Kvv - Valdez Group, Metavolcanic rocks, undivided (Upper Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 2706 Enumerated_Domain_Value_Definition: Kvt - Valdez Group, Aquagene tuff (Upper Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 2708 Enumerated_Domain_Value_Definition: Kvm - Valdez Group, Melange of Iceworm Peak of Kusky and others (1997) (Upper Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 2710 Enumerated_Domain_Value_Definition: Kvgs - Valdez Group, Schist (Upper Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 2715 Enumerated_Domain_Value_Definition: Kvgg - Valdez Group, Gneiss (Upper Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 2900 Enumerated_Domain_Value_Definition: KJg - Quartz monzodiorite (Cretaceous and (or) Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 3012 Enumerated_Domain_Value_Definition: Jnn - Naknek Formation, Northeast Creek Sandstone Member (Upper Jurassic, Oxfordian) Enumerated_Domain: Enumerated_Domain_Value: 3013 Enumerated_Domain_Value_Definition: Jnst - Naknek Formation, Snug Harbor Siltstone Member (Upper Jurassic, Kimmeridgian and Oxfordian) Enumerated_Domain: Enumerated_Domain_Value: 3014 Enumerated_Domain_Value_Definition: Jnp - Naknek Formation, Pomeroy Arkose Member (Upper Jurassic, Kimmeridgian and Oxfordian?) Enumerated_Domain: Enumerated_Domain_Value: 3016 Enumerated_Domain_Value_Definition: Jnc - Naknek Formation, Chisik Conglomerate Member (Upper Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 3020 Enumerated_Domain_Value_Definition: Jcp - Chinitna Formation, Paveloff Siltstone Member (Middle Jurassic, Callovian) Enumerated_Domain: Enumerated_Domain_Value: 3030 Enumerated_Domain_Value_Definition: Jct - Chinitna Formation, Tonnie Siltstone Member (Middle Jurassic, Callovian) Enumerated_Domain: Enumerated_Domain_Value: 3181 Enumerated_Domain_Value_Definition: Jtb - Tuxedni Group, Bowser Formation (Middle Jurassic, Callovian and Bathonian) Enumerated_Domain: Enumerated_Domain_Value: 3182 Enumerated_Domain_Value_Definition: Jtt - Tuxedni Group, Twist Creek Siltstone (Middle Jurassic, Bajocian) Enumerated_Domain: Enumerated_Domain_Value: 3183 Enumerated_Domain_Value_Definition: Jtc - Tuxedni Group, Cynthia Falls Sandstone (Middle Jurassic, Bajocian?) Enumerated_Domain: Enumerated_Domain_Value: 3184 Enumerated_Domain_Value_Definition: Jtf - Tuxedni Group, Fitz Creek Siltstone (Middle Jurassic, middle Bajocian) Enumerated_Domain: Enumerated_Domain_Value: 3185 Enumerated_Domain_Value_Definition: Jtg - Tuxedni Group, Gaikema Sandstone (Middle Jurassic, lower middle Bajocian) Enumerated_Domain: Enumerated_Domain_Value: 3186 Enumerated_Domain_Value_Definition: Jtrg - Tuxedi Group, Red Glacier Formation (Middle Jurassic, lower Bajocian to lower middle Bajocian) Enumerated_Domain: Enumerated_Domain_Value: 3250 Enumerated_Domain_Value_Definition: Jtk - Talkeetna Formation, undivided (Lower Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 3251 Enumerated_Domain_Value_Definition: Jtkh - Talkeetna Formation, Horn Mountain Tuff Member (Lower Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 3252 Enumerated_Domain_Value_Definition: Jtkp - Talkeetna Formation, Portage Creek Agglomerate Member (Lower Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 3253 Enumerated_Domain_Value_Definition: Jtkm - Talkeetna Formation, Marsh Creek Breccia Member (Lower Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 3265 Enumerated_Domain_Value_Definition: Jp - Pogibshi formation of Kelley (1980), undivided (Lower Jurassic, Sinemurian to Hettangian and older?) Enumerated_Domain: Enumerated_Domain_Value: 3380 Enumerated_Domain_Value_Definition: Jtr - Alaska-Aleutian Range batholith, Trondhjemite (Late Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 3402 Enumerated_Domain_Value_Definition: Jg - Alaska-Aleutian Range batholith, Quartz diorite, tonalite, and diorite (Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 3403 Enumerated_Domain_Value_Definition: Jg - Alaska-Aleutian Range batholith, Quartz diorite, tonalite, and diorite (Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 3404 Enumerated_Domain_Value_Definition: Jg - Alaska-Aleutian Range batholith, Quartz diorite, tonalite, and diorite (Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 3420 Enumerated_Domain_Value_Definition: Jg - Alaska-Aleutian Range batholith, Quartz diorite, tonalite, and diorite (Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 3610 Enumerated_Domain_Value_Definition: Jsch - Seldovia metamorphic complex (Early Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 4019 Enumerated_Domain_Value_Definition: Trpg - Port Graham formation of Kelley (1980) (Upper Triassic, Norian) Enumerated_Domain: Enumerated_Domain_Value: 4310 Enumerated_Domain_Value_Definition: Trdt - Quartz diorite and tonalite (Late Triassic) Enumerated_Domain: Enumerated_Domain_Value: 4880 Enumerated_Domain_Value_Definition: Mzg - Gabbro (Mesozoic) Enumerated_Domain: Enumerated_Domain_Value: 4890 Enumerated_Domain_Value_Definition: Mzu - Ultramafic plutonic rocks (Mesozoic) Enumerated_Domain: Enumerated_Domain_Value: 5220 Enumerated_Domain_Value_Definition: JPk - Kakhonak Complex (Jurassic, Triassic, and Permian(?) or older(?)) Attribute: Attribute_Label: NSAMOD Attribute_Definition: NSAMOD is a character (8 10 C) item in the polygon attribute table. Attribute_Definition_Source: this data set Attribute_Domain_Values: Unrepresentable_Domain: HFS - contact metamorphism, hornfels Q - queried unit Attribute: Attribute_Label: SOURCE Attribute_Definition: SOURCE is a character (6 8 C) item found in both the polygon and arc attribute tables. The values are abbreviated codes representing the original source reference for the polygon or arc feature. The format for SOURCE is XX###, where XX is a two letter code for the 1:250,000 scale quadrangle and ### is a three digit number (with leading zeros). All source codes with '001' are unspecified sources for water and ice features, often paper topographic maps, and DRG or DLG files. Attribute_Definition_Source: this data set Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: BS002 Enumerated_Domain_Value_Definition: Nelson, S.W., Dumoulin, J.A., and Miller, M.L., 1985, Geologic map of the Chugach National Forest: U.S. Geological Survey Miscellaneous Field Studies Map MF-1645B, scale 1:250,000. Enumerated_Domain: Enumerated_Domain_Value: BS004 Enumerated_Domain_Value_Definition: Tysdal, R.G., and Case, J.E., 1979, Geologic map of the Seward and Blying Sound quadrangle, Alaska: U.S. Geological Survey Miscellaneous Investigations Series Map I-1150, scale 1:250,000. Enumerated_Domain: Enumerated_Domain_Value: BS005 Enumerated_Domain_Value_Definition: Bradley, D.C., and Miller, M.L., 2006, Field guide to south-central Alaska's accretionary complex Anchorage to Seward: Alaska Geological Society, 32 p. Enumerated_Domain: Enumerated_Domain_Value: CV002 Enumerated_Domain_Value_Definition: Nelson, S.W., Dumoulin, J.A., and Miller, M.L., 1985, Geologic map of the Chugach National Forest: U.S. Geological Survey Miscellaneous Field Studies Map MF-1645B, scale 1:250,000. Enumerated_Domain: Enumerated_Domain_Value: CV003 Enumerated_Domain_Value_Definition: Winkler, G.R., and Plafker, George, 1993, Geologic map of the Cordova and Middleton Island quadrangles, southern Alaska: U.S. Geological Survey Miscellaneous Investigations Map I-1984, scale 1:250,000. Enumerated_Domain: Enumerated_Domain_Value: CV004 Enumerated_Domain_Value_Definition: Richter, D.H., Preller, C.C., Labay, K.A., and Shew, N.B., 2005, Geology of Wrangell-Saint Elias National Park and Preserve, southcentral Alaska: U.S. Geological Survey Scientific Investigations Series Map SIM-2877, scale 1:350,000. Enumerated_Domain: Enumerated_Domain_Value: CV005 Enumerated_Domain_Value_Definition: Pavlis, T.L., and Sisson, V.B., 2002, Geologic map of the Bremner River area, written communication. Enumerated_Domain: Enumerated_Domain_Value: CV006 Enumerated_Domain_Value_Definition: Pavlis, T.L., and Sisson, V.B., 2002, Geologic map of the Van Cleve Glacier area, written communication. Enumerated_Domain: Enumerated_Domain_Value: CV007 Enumerated_Domain_Value_Definition: Wilson, F.H., and Hults, C.P., 2007, edits. Enumerated_Domain: Enumerated_Domain_Value: KN002 Enumerated_Domain_Value_Definition: Magoon, L.B., Adkison, W.L., and Egbert, R.M., 1976, Map showing geology, wildcat wells, Tertiary plant localities, K-Ar age dates, and petroleum operations, Cook Inlet area, Alaska: U.S. Geological Survey Miscellaneous Investigations Series Map I-1019, scale 1:250,000, 3 sheets. Enumerated_Domain: Enumerated_Domain_Value: KN003 Enumerated_Domain_Value_Definition: Bradley, D.C., and Wilson, F.H., 2000, Reconnaissance bedrock geology of the southeastern part of the Kenai quadrangle, Alaska, in Kelley, K.D., and Gough, L.P., eds., Geologic Studies in Alaska: U.S. Geological Survey Professional Paper 1615, p. 59-64. Enumerated_Domain: Enumerated_Domain_Value: KN005 Enumerated_Domain_Value_Definition: Detterman, R.L., and Hartsock, J.K., 1966, Geology of the Iniskin-Tuxedni region, Alaska: U.S. Geological Survey Professional Paper 512, 78 p., 6 plates, map, scale 1:63,360. Enumerated_Domain: Enumerated_Domain_Value: KN006 Enumerated_Domain_Value_Definition: Riehle, J.R., and Emmel, K.S., 1980, Photointerpretation map of the surficial geology, Polly Creek to MacArthur River, Cook Inlet, Alaska: Alaska Division of Geological and Geophysical Surveys Geologic Report 64, 2 sheets, scale 1:63,360. Enumerated_Domain: Enumerated_Domain_Value: KN008 Enumerated_Domain_Value_Definition: Wilson, F.H., Blodgett, R.B., Blome, C.D., Mohadjer, Solmaz, Preller, C.C., Klimasauskas, E.P., Gamble, B.M., and Coonrad, W.L., in prep, Reconnaissance bedrock geologic map for the northern Alaska Peninsula area, southwestern Alaska; including the Dillingham, Iliamna, Lake Clark, Taylor Mountains, and the western part of the Kenai and Seldovia 1:250,000 scale quadrangles: U.S. Geological Survey Scientific Investigations Map SIM-2942, pamphlet 111 ms. p., 2 sheets, scale 1:350,000. Enumerated_Domain: Enumerated_Domain_Value: KN009 Enumerated_Domain_Value_Definition: Reed, B.L., Lanphere, M.A., and Miller, T.P., 1992, Double Glacier volcano, a 'new' Quaternary volcano in the eastern Aleutian volcanic arc: Bulletin of Volcanology, v. 54, p. 631-637. Enumerated_Domain: Enumerated_Domain_Value: KN011 Enumerated_Domain_Value_Definition: Waythomas, C.F., and Miller, T.P., 1999, Preliminary volcano-hazard assessment for Illiamna volcano: U.S. Geological Survey Open-File Report 99-373, 31 p.. 1 plate. Enumerated_Domain: Enumerated_Domain_Value: KN012 Enumerated_Domain_Value_Definition: Reed, B.L., Miesch, A.T., and Lanphere, M.A., 1983, Plutonic rocks of Jurassic age in the Alaska-Aleutian Range batholith: Chemical variations and polarity: Geological Society of America Bulletin: v. 94, p. 1232-1240. Enumerated_Domain: Enumerated_Domain_Value: KN013 Enumerated_Domain_Value_Definition: Karlstrom, T.N.V., 1964, Quaternary geology of the Kenai Lowland and glacial history of the Cook Inlet region, Alaska: U.S. Geological Survey Professional Paper 443, 69 p., 7 plates, various scales. Enumerated_Domain: Enumerated_Domain_Value: KN015 Enumerated_Domain_Value_Definition: Wilson, F.H., and Hults, C.P., 2007, Edits to resolve matching with Seldovia, Seward, and Blying Sound quadrangle maps Enumerated_Domain: Enumerated_Domain_Value: MI003 Enumerated_Domain_Value_Definition: Winkler, G.R., and Plafker, George, 1993, Geologic map of the Cordova and Middleton Island quadrangles, southern Alaska: U.S. Geological Survey Miscellaneous Investigations Map I-1984, scale 1:250,000. Enumerated_Domain: Enumerated_Domain_Value: SR002 Enumerated_Domain_Value_Definition: Nelson, S.W., Dumoulin, J.A., and Miller, M.L., 1985, Geologic map of the Chugach National Forest: U.S. Geological Survey Miscellaneous Field Studies Map MF-1645B, scale 1:250,000. Enumerated_Domain: Enumerated_Domain_Value: SR004 Enumerated_Domain_Value_Definition: Tysdal, R.G., and Case, J.E., 1979, Geologic map of the Seward and Blying Sound quadrangles, Alaska: U.S. Geological Survey Miscellaneous Investigations Series Map I-1150, scale 1:250,000. Enumerated_Domain: Enumerated_Domain_Value: SR005 Enumerated_Domain_Value_Definition: Nelson, S.W., Miller, M.L., Haeussler, P.J., Snee, L.W., Phillips, P.J., Huber, Carol, 1999, Preliminary geologic map of the Chugach National Forest Special Study Area, Alaska: U.S. Geological Survey Open-File Report 99-362, scale 1:63,360. Enumerated_Domain: Enumerated_Domain_Value: SR006 Enumerated_Domain_Value_Definition: Wilson, F.H., and Hults, C.P., 2007, edits Enumerated_Domain: Enumerated_Domain_Value: SR007 Enumerated_Domain_Value_Definition: Bradley, D.C., and Miller, M.L., 2006, Field guide to south-central Alaska's accretionary complex Anchorage to Seward: Alaska Geological Society, 32. p. Enumerated_Domain: Enumerated_Domain_Value: SR008 Enumerated_Domain_Value_Definition: Bol, A.J., and Gibbons, Helen, 1992, Tectonic implications of out-of-sequence faults in the accretionary prism, Prince William Sound, Alaska: Tectonics, v. 11, n.6, p. 1288-1300. Enumerated_Domain: Enumerated_Domain_Value: SV002 Enumerated_Domain_Value_Definition: Bradley, D.C., Kusky, T.M., Haeussler, P.J., Karl, S.M., and Donley, D.T., 1999, Geology of the Seldovia quadrangle: U.S. Geological Survey Open-File Report 99-18, scale 1:250,000. Enumerated_Domain: Enumerated_Domain_Value: SV004 Enumerated_Domain_Value_Definition: Detterman, R.L., and Hartsock, J.K., 1966, Geology of the Iniskin-Tuxedni region, Alaska: U.S. Geological Survey Professional Paper 512, 78 p., 6 plates, map, scale 1:63,360. Enumerated_Domain: Enumerated_Domain_Value: SV007 Enumerated_Domain_Value_Definition: Karlstrom, T.N.V., 1964, Quaternary geology of the Kenai Lowland and glacial history of the Cook Inlet region, Alaska: U.S. Geological Survey Professional Paper 443, 69 p., 7 plates, various scales. Enumerated_Domain: Enumerated_Domain_Value: SV008 Enumerated_Domain_Value_Definition: Bradley, D.C., oral communication, June 7, 2007. Enumerated_Domain: Enumerated_Domain_Value: SV009 Enumerated_Domain_Value_Definition: Wilson, F.H., and Hults, C.P., 2007, Edits to resolve matching with Kenai and Blying Sound quadrangle maps. Enumerated_Domain: Enumerated_Domain_Value: SV010 Enumerated_Domain_Value_Definition: Magoon. L.B., Adkison, W.L., and Egbert, R.M., 1976, Map showing geology, wildcat wells, Tertiary plant localities, K-Ar age dates, and petroleum operations, Cook Inlet area, Alaska: U.S. Geological Survey Miscellaneous Investigations Series Map I-1019, scale 1:250,000, 3 sheets. Detailed_Description: Entity_Type: Entity_Type_Label: arcs Entity_Type_Definition: Characteristics of the arc features in the geology, lineation, dike, and fold coverages are coded in the arc attribute table. Table .aat includes the following items: ARC-CODE, ARC-PARA1, ARC-PARA2 (not used), and SOURCE. For explanation of SOURCE, see attribute definitions for polygons. Entity_Type_Definition_Source: this data set Attribute: Attribute_Label: ARC-CODE Attribute_Definition: ARC-CODE is a positive integer value (3 3 I) item in the arc attribute table. Values range discontinuously from 0 to 99. Values match one-for-one with geologic features (such as stratigraphic contact, fault, etc.) Some ARC-CODE values have additional modifiers in item ARC-PARA1. Attribute_Definition_Source: this data set Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 1 Enumerated_Domain_Value_Definition: Stratigraphic or intrusive contact, location certain Enumerated_Domain: Enumerated_Domain_Value: 2 Enumerated_Domain_Value_Definition: Stratigraphic or intrusive contact, location approximate Enumerated_Domain: Enumerated_Domain_Value: 3 Enumerated_Domain_Value_Definition: Stratigraphic or intrusive contact, location inferred, queried Enumerated_Domain: Enumerated_Domain_Value: 4 Enumerated_Domain_Value_Definition: Normal fault, location certain; if ARC-PARA1 = 1, then upthrown side is on right from origin Enumerated_Domain: Enumerated_Domain_Value: 5 Enumerated_Domain_Value_Definition: Normal fault, location approximate, if ARC-PARA1 = 1, then upthrown side is on right from origin Enumerated_Domain: Enumerated_Domain_Value: 6 Enumerated_Domain_Value_Definition: Normal fault, location inferred or queried, if ARC-PARA1 = 1, then upthrown side is on right from origin Enumerated_Domain: Enumerated_Domain_Value: 7 Enumerated_Domain_Value_Definition: Shoreline or riverbank Enumerated_Domain: Enumerated_Domain_Value: 8 Enumerated_Domain_Value_Definition: Internal contact or phase change; no symbol drawn Enumerated_Domain: Enumerated_Domain_Value: 10 Enumerated_Domain_Value_Definition: Thrust fault, location certain; teeth on right from origin Enumerated_Domain: Enumerated_Domain_Value: 11 Enumerated_Domain_Value_Definition: Thrust fault, location approximate, teeth on right from origin Enumerated_Domain: Enumerated_Domain_Value: 15 Enumerated_Domain_Value_Definition: Ice contact Enumerated_Domain: Enumerated_Domain_Value: 19 Enumerated_Domain_Value_Definition: Moraine limit; tics on right from origin; ARC-PARA1 used to designate Naptowne glaciations on Kenai Peninsula Enumerated_Domain: Enumerated_Domain_Value: 21 Enumerated_Domain_Value_Definition: Syncline, location certain, digitized in direction of plunge; ARC-PARA1 equals angle of plunge, 0 is no plunge, 1 is plunge of unknown dip Enumerated_Domain: Enumerated_Domain_Value: 22 Enumerated_Domain_Value_Definition: Syncline, location approximate, digitized in direction of plunge; ARC-PARA1 equals angle of plunge, 0 is no plunge, 1 is plunge of unknown dip Enumerated_Domain: Enumerated_Domain_Value: 24 Enumerated_Domain_Value_Definition: Anticline, location certain, digitized in direction of plunge; ARC-PARA1 equals angle of plunge, 0 is no plunge, 1 is plunge of unknown dip Enumerated_Domain: Enumerated_Domain_Value: 25 Enumerated_Domain_Value_Definition: Anticline, location approximate, digitized in direction of plunge; ARC-PARA1 equals angle of plunge, 0 is no plunge, 1 is plunge of unknown dip Enumerated_Domain: Enumerated_Domain_Value: 24 Enumerated_Domain_Value_Definition: Anticline, location certain, digitized in direction of plunge; ARC-PARA1 equals angle of plunge, 0 is no plunge, 1 is plunge of unknown dip. Enumerated_Domain: Enumerated_Domain_Value: 30 Enumerated_Domain_Value_Definition: Fault, sense of displacement uncertain; location certain Enumerated_Domain: Enumerated_Domain_Value: 31 Enumerated_Domain_Value_Definition: Fault, sense of displacement uncertain; location approximate Enumerated_Domain: Enumerated_Domain_Value: 32 Enumerated_Domain_Value_Definition: Fault, sense of displacement uncertain; location inferred Enumerated_Domain: Enumerated_Domain_Value: 41 Enumerated_Domain_Value_Definition: Syncline, overturned, location certain, digitized in direction of plunge; ARC-PARA1 equals angle of plunge, 0 is no plunge, 1 is plunge of unknown dip Enumerated_Domain: Enumerated_Domain_Value: 44 Enumerated_Domain_Value_Definition: Anticline, overturned, location certain, digitized in direction of plunge; ARC-PARA1 equals angle of plunge, 0 is no plunge, 1 is plunge of unknown dip Enumerated_Domain: Enumerated_Domain_Value: 50 Enumerated_Domain_Value_Definition: Dikes and sills Enumerated_Domain: Enumerated_Domain_Value: 51 Enumerated_Domain_Value_Definition: Concealed contact Enumerated_Domain: Enumerated_Domain_Value: 52 Enumerated_Domain_Value_Definition: Concealed normal fault; if ARC-PARA1 = 1, then upthrown side is on right from origin Enumerated_Domain: Enumerated_Domain_Value: 53 Enumerated_Domain_Value_Definition: Concealed thrust fault Enumerated_Domain: Enumerated_Domain_Value: 57 Enumerated_Domain_Value_Definition: Concealed right lateral fault Enumerated_Domain: Enumerated_Domain_Value: 60 Enumerated_Domain_Value_Definition: Concealed fault, sense of displacement uncertain Enumerated_Domain: Enumerated_Domain_Value: 69 Enumerated_Domain_Value_Definition: Fissure Enumerated_Domain: Enumerated_Domain_Value: 81 Enumerated_Domain_Value_Definition: Syncline, inverted, location certain; ARC-PARA1 equals angle of plunge, 0 is no plunge, 1 is plunge of unknown dip Enumerated_Domain: Enumerated_Domain_Value: 87 Enumerated_Domain_Value_Definition: Right lateral fault, location certain Enumerated_Domain: Enumerated_Domain_Value: 88 Enumerated_Domain_Value_Definition: Right lateral fault, location approximate Enumerated_Domain: Enumerated_Domain_Value: 91 Enumerated_Domain_Value_Definition: Left lateral fault, location approximate Enumerated_Domain: Enumerated_Domain_Value: 93 Enumerated_Domain_Value_Definition: Lineament Enumerated_Domain: Enumerated_Domain_Value: 99 Enumerated_Domain_Value_Definition: Bounding line of coverage Distribution_Information: Distributor: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Address: Address_Type: mailing address Address: MS902 Box 25286 Denver Federal Center City: Lakewood State_or_Province: CO Postal_Code: 80225 Country: U.S.A. Contact_Voice_Telephone: 1-888-ASK-USGS Resource_Description: Open-File Report 2008-1002 Distribution_Liability: This world-wide web publication was prepared by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, expressed or implied, or assumes any legal liability or responsibility for the accuracy, product, or process disclosed in this report, or represents that its use would not infringe privately owned rights. Reference therein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof. Standard_Order_Process: Digital_Form: Digital_Transfer_Information: Format_Name: ARCE File_Decompression_Technique: zip files Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: http://pubs.usgs.gov/of/2008/1002 Fees: There is no cost for the download of these digital files Metadata_Reference_Information: Metadata_Date: 20080124 Metadata_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Person: Nora Shew Contact_Address: Address_Type: mailing and physical address Address: 4200 University Drive City: Anchorage State_or_Province: AK Postal_Code: 99508-4667 Country: U.S.A. Contact_Voice_Telephone: 907-786-7445 Contact_Electronic_Mail_Address: nshew@usgs.gov Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata Metadata_Standard_Version: FGDC-STD-001-1998