Metadata: Identification_Information: Citation: Citation_Information: Originator: Hamilton, T.D. Publication_Date: 2002 Title: Surficial geologic map of the Bettles quadrangle, Alaska Edition: Version 1.0 Geospatial_Data_Presentation_Form: vector digital data Series_Information: Series_Name: Miscellaneous Field Studies Issue_Identification: MF-2409 Online_Linkage: http://geopubs.wr.usgs.gov/map-mf/mf2409 Description: Abstract: This dataset represents surficial geologic mapping of the Bettles quadrangle, Alaska. It is used to create the mapsheet in MF-2409, which shows surficial deposits of the 1:250,000 scale Bettles quadrangle in north central Alaska. Purpose: Digital representation of geologic mapping facilitates the presentation and analysis of earth-science data. Digital maps may be displayed at any scale or projection, however the geologic data in this coverage is not intended for use at a scale larger than 1:250,000. Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 2002 Currentness_Reference: publication date Status: Progress: In work Maintenance_and_Update_Frequency: None planned Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -153.0 East_Bounding_Coordinate: -150.0 North_Bounding_Coordinate: 67.0 South_Bounding_Coordinate: 66.0 Keywords: Theme: Theme_Keyword_Thesaurus: None Theme_Keyword: geology Theme_Keyword: surficial geology Theme_Keyword: Quaternary Theme_Keyword: glacial deposits Theme_Keyword: glaciation Theme_Keyword: glacial lakes Place: Place_Keyword_Thesaurus: None Place_Keyword: Alaska Place_Keyword: Bettles Place_Keyword: Alatna River Place_Keyword: Jim River Place_Keyword: Koyukuk River Place_Keyword: Koyukuk basin Place_Keyword: Kanuti Flats Place_Keyword: Kanuti National Wildlife Refuge Place_Keyword: Alyeska Pipeline Place_Keyword: Dalton Highway Access_Constraints: None Use_Constraints: Acknowledgement of the U.S. Geological Survey would be appreciated in products derived from this data. Point_of_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Person: Thomas D. Hamilton Contact_Position: Geologist Contact_Address: Address_Type: mailing and physical address Address: 4200 University Drive City: Anchorage State_or_Province: AK Postal_Code: 99508-4667 Country: USA Contact_Voice_Telephone: 907-786-7451 Contact_Electronic_Mail_Address: thamilto@usgs.gov Data_Set_Credit: This digital coverage was created by the Earth Satellite Corporation, Greenhorne and O'Mara, and Keith Labay, Raytheon ITSS contractor. 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: The linework was captured by scanning an inked mylar overlay to create a TIFF that was then autovectorized. After vectorization, the linework was imported, and the file was attributed in ARC/INFO. The digital data has been visually checked and the geologic map has undergone technical review. Logical_Consistency_Report: Coverage btgeol is a network coverage containing arcs and polygons. Each polygon has a coded attribute designating the mapped geologic unit. Stratigraphic contacts and water boundaries are represented as arcs. There are two associated info files btgeol.lut and btgeol.lut2 that were used to assign symbols, overprints, and labels when plotting from ARC/INFO. Coverage btmorph is an arc coverage containing faults, moraines, and scarps. All dangling arcs will be present here. Coverage btpoint is a point coverage used to place symbols for directional arrows, passes, pingos, and springs. Completeness_Report: These coverages were used to create the map portion of MF-2409. Text files, tables, graphics, symbolsets, and topography shown on the map sheet are not included. Positional_Accuracy: Horizontal_Positional_Accuracy: Horizontal_Positional_Accuracy_Report: Users of this digital geologic map should respect the intentions of the original mappers and the limitations of the map. This geologic map compilation is intended to be used at a scale of 1:250,000; it is not intended to be used at a more detailed scale. Lineage: Process_Step: Process_Description: The linework was captured by scanning an inked mylar overlay to create a TIFF that was then autovectorized. After vectorization, the linework was imported, and the arcs and polygons were attributed. For the purpose of distribution, the coverage has been converted to an interchange format file using the ARC/INFO export command. Process_Date: 1999 Process_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Person: Keith Labay Contact_Address: Address_Type: mailing and physical address Address: 4200 University Drive City: Anchorage State_or_Province: AK Postal_Code: 99508-4667 Country: USA Contact_Voice_Telephone: 907-786-7410 Contact_Electronic_Mail_Address: klabay@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 Latitude_of_Projection_Origin: 0.0 False_Easting: 0.0 False_Northing: 0.0 Planar_Coordinate_Information: Planar_Coordinate_Encoding_Method: coordinate pair Coordinate_Representation: Abscissa_Resolution: 250 Ordinate_Resolution: 250 Planar_Distance_Units: meters Entity_and_Attribute_Information: Detailed_Description: Entity_Type: Entity_Type_Label: arcs Entity_Type_Definition: Characteristics of the arc features in coverages btgeol and btmorph are coded in btgeol.aat and btmorph.aat, the arc attribute tables. The.aat consists of the following items: ARC-CODE, LTYPE, and ACCURACY. Entity_Type_Definition_Source: This dataset 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 from 1 to 103. ARC-CODE identifies a stratigraphic boundary, fault, or other linear feature. The ARC-CODE is described by the items LTYPE and ACCURACY. Attribute_Definition_Source: This dataset Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 1 Enumerated_Domain_Value_Definition: Stratigraphic contact; location certain Enumerated_Domain: Enumerated_Domain_Value: 2 Enumerated_Domain_Value_Definition: Stratigraphic contact; location approximate Enumerated_Domain: Enumerated_Domain_Value: 3 Enumerated_Domain_Value_Definition: Stratigraphic contact; location gradational Enumerated_Domain: Enumerated_Domain_Value: 7 Enumerated_Domain_Value_Definition: Water boundary Enumerated_Domain: Enumerated_Domain_Value: 9 Enumerated_Domain_Value_Definition: Hidden line used to close polygon Enumerated_Domain: Enumerated_Domain_Value: 13 Enumerated_Domain_Value_Definition: Crest of morainal ridge Enumerated_Domain: Enumerated_Domain_Value: 30 Enumerated_Domain_Value_Definition: Fault, location certain Enumerated_Domain: Enumerated_Domain_Value: 31 Enumerated_Domain_Value_Definition: Fault, location approximate Enumerated_Domain: Enumerated_Domain_Value: 90 Enumerated_Domain_Value_Definition: Left lateral fault; location certain Enumerated_Domain: Enumerated_Domain_Value: 91 Enumerated_Domain_Value_Definition: Left lateral fault; location approximate Enumerated_Domain: Enumerated_Domain_Value: 99 Enumerated_Domain_Value_Definition: Bounding line of coverage Enumerated_Domain: Enumerated_Domain_Value: 101 Enumerated_Domain_Value_Definition: Drainage channel; abandoned or underfit Enumerated_Domain: Enumerated_Domain_Value: 103 Enumerated_Domain_Value_Definition: Headwall scarp of debris flow Attribute: Attribute_Label: LTYPE Attribute_Definition: LTYPE is a character field (30 30 C) in the arc attribute table. LTYPE describes the type of arc. Attribute_Definition_Source: This dataset Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: CONTACT Enumerated_Domain_Value_Definition: Stratigraphic contact Enumerated_Domain: Enumerated_Domain_Value: WATER BOUNDARY Enumerated_Domain_Value_Definition: Water boundary Enumerated_Domain: Enumerated_Domain_Value: HIDDEN Enumerated_Domain_Value_Definition: Arc which does not appear on the printed map. Enumerated_Domain: Enumerated_Domain_Value: MORAINE Enumerated_Domain_Value_Definition: Glacial moraine Enumerated_Domain: Enumerated_Domain_Value: FAULT Enumerated_Domain_Value_Definition: Fault Enumerated_Domain: Enumerated_Domain_Value: FAULT, LEFT LATERAL Enumerated_Domain_Value_Definition: Left lateral fault Enumerated_Domain: Enumerated_Domain_Value: MAP BOUNDARY Enumerated_Domain_Value_Definition: Boundary of the quadrangle Enumerated_Domain: Enumerated_Domain_Value: DRAINAGE CHANNEL Enumerated_Domain_Value_Definition: Drainage channel Enumerated_Domain: Enumerated_Domain_Value: HEADWALL SCARP Enumerated_Domain_Value_Definition: Headwall scarp of debris flow Attribute: Attribute_Label: ACCURACY Attribute_Definition: ACCURACY is a character field (15 15 C) in the arc attribute table. ACCURACY indicates the locational certainty of arcs where appropriate. This attribute can be blank. Attribute_Definition_Source: This dataset Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: CERTAIN Enumerated_Domain_Value_Definition: Location certain Enumerated_Domain: Enumerated_Domain_Value: APPROXIMATE Enumerated_Domain_Value_Definition: Location approximate Enumerated_Domain: Enumerated_Domain_Value: GRADATIONAL Enumerated_Domain_Value_Definition: Location gradational Detailed_Description: Entity_Type: Entity_Type_Label: polygons Entity_Type_Definition: Characteristics of the polygon features are coded in the polygon attribute table. Table btgeol.pat includes the following items: CLASS, FORMATION (geologic unit label), NAME (geologic unit), AND COMPOUND. Entity_Type_Definition_Source: This dataset Attribute: Attribute_Label: CLASS Attribute_Definition: CLASS is a positive integer value (4 5 B) item in the polygon attribute table. Values range from 1 to 275. Every unique unit has a unique CLASS value. Each CLASS value listed below is defined by the information from the FORMATION and NAME items. Map units shown in parentheses indicate thin and generally discontinuous deposits above near-surface bedrock. Unit labels containing a slash indicate compound units where one unit is stratagraphically above another. Units queried where uncertain. Attribute_Definition_Source: Miscellaneous Field Studies MF-2409 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 1 Enumerated_Domain_Value_Definition: (ad) - Thin and generally discontinuous drift of Anaktuvuk River age Enumerated_Domain: Enumerated_Domain_Value: 2 Enumerated_Domain_Value_Definition: (ad)? - Thin and generally discontinuous possible drift of Anaktuvuk River age Enumerated_Domain: Enumerated_Domain_Value: 17 Enumerated_Domain_Value_Definition: (s) - Thin and generally discontinuous solifluction deposits Enumerated_Domain: Enumerated_Domain_Value: 18 Enumerated_Domain_Value_Definition: (sd) - Thin and generally discontinuous drift of Sagavanirktok River age Enumerated_Domain: Enumerated_Domain_Value: 19 Enumerated_Domain_Value_Definition: (sd)? - Thin and generally discontinuous possible drift of Sagavanirktok River age Enumerated_Domain: Enumerated_Domain_Value: 27 Enumerated_Domain_Value_Definition: ad - Drift of Anaktuvuk River age Enumerated_Domain: Enumerated_Domain_Value: 28 Enumerated_Domain_Value_Definition: ad? - Possible drift of Anaktuvuk River age Enumerated_Domain: Enumerated_Domain_Value: 30 Enumerated_Domain_Value_Definition: ad - Drift of Anaktuvuk River age, eroded Enumerated_Domain: Enumerated_Domain_Value: 35 Enumerated_Domain_Value_Definition: al - Alluvium, undivided Enumerated_Domain: Enumerated_Domain_Value: 36 Enumerated_Domain_Value_Definition: al1 - Low alluvial-terrace deposits Enumerated_Domain: Enumerated_Domain_Value: 37 Enumerated_Domain_Value_Definition: al2 - Modern alluvium Enumerated_Domain: Enumerated_Domain_Value: 39 Enumerated_Domain_Value_Definition: alsa - Sandy alluvium Enumerated_Domain: Enumerated_Domain_Value: 40 Enumerated_Domain_Value_Definition: ao - Outwash of Anaktuvuk River age Enumerated_Domain: Enumerated_Domain_Value: 41 Enumerated_Domain_Value_Definition: ao? - Possible outwash of Anaktuvuk River age Enumerated_Domain: Enumerated_Domain_Value: 44 Enumerated_Domain_Value_Definition: b - Beach deposits Enumerated_Domain: Enumerated_Domain_Value: 46 Enumerated_Domain_Value_Definition: Bedrock, undifferentiated Enumerated_Domain: Enumerated_Domain_Value: 47 Enumerated_Domain_Value_Definition: Bedrock, altiplanation terrace Enumerated_Domain: Enumerated_Domain_Value: 48 Enumerated_Domain_Value_Definition: Bedrock, near surface Enumerated_Domain: Enumerated_Domain_Value: 49 Enumerated_Domain_Value_Definition: Bedrock, ice scoured Enumerated_Domain: Enumerated_Domain_Value: 50 Enumerated_Domain_Value_Definition: c - Colluvium, undivided Enumerated_Domain: Enumerated_Domain_Value: 51 Enumerated_Domain_Value_Definition: c - Colluvium, undivided over pediment Enumerated_Domain: Enumerated_Domain_Value: 52 Enumerated_Domain_Value_Definition: d? - Possible drift, undivided Enumerated_Domain: Enumerated_Domain_Value: 53 Enumerated_Domain_Value_Definition: ds - Dune sand Enumerated_Domain: Enumerated_Domain_Value: 59 Enumerated_Domain_Value_Definition: f - Fan deposits Enumerated_Domain: Enumerated_Domain_Value: 62 Enumerated_Domain_Value_Definition: fd - Fan-delta deposits Enumerated_Domain: Enumerated_Domain_Value: 64 Enumerated_Domain_Value_Definition: fl - Flow deposits Enumerated_Domain: Enumerated_Domain_Value: 67 Enumerated_Domain_Value_Definition: fsa - Sandy fan deposits Enumerated_Domain: Enumerated_Domain_Value: 69 Enumerated_Domain_Value_Definition: gr - Gravel deposits, other Enumerated_Domain: Enumerated_Domain_Value: 70 Enumerated_Domain_Value_Definition: gr? - Possible gravel deposits, other Enumerated_Domain: Enumerated_Domain_Value: 75 Enumerated_Domain_Value_Definition: id1 - Drift of Itkillik phase I Enumerated_Domain: Enumerated_Domain_Value: 77 Enumerated_Domain_Value_Definition: id1A - Drift of Itkillik phase IA Enumerated_Domain: Enumerated_Domain_Value: 103 Enumerated_Domain_Value_Definition: ik - Kame and kame-terrace deposits Enumerated_Domain: Enumerated_Domain_Value: 109 Enumerated_Domain_Value_Definition: io - Outwash of Itkillik age, undivided Enumerated_Domain: Enumerated_Domain_Value: 110 Enumerated_Domain_Value_Definition: io? - Possible outwash of Itkillik age, undivided Enumerated_Domain: Enumerated_Domain_Value: 111 Enumerated_Domain_Value_Definition: io1 - Outwash of Itkillik phase I Enumerated_Domain: Enumerated_Domain_Value: 112 Enumerated_Domain_Value_Definition: io1? - Possible outwash of Itkillik phase I Enumerated_Domain: Enumerated_Domain_Value: 113 Enumerated_Domain_Value_Definition: io1A - Outwash of Itkillik phase IA Enumerated_Domain: Enumerated_Domain_Value: 122 Enumerated_Domain_Value_Definition: l - Lacustrine deposits Enumerated_Domain: Enumerated_Domain_Value: 123 Enumerated_Domain_Value_Definition: l? - Possible lacustrine deposits Enumerated_Domain: Enumerated_Domain_Value: 124 Enumerated_Domain_Value_Definition: Water Enumerated_Domain: Enumerated_Domain_Value: 126 Enumerated_Domain_Value_Definition: ls - Landslide deposits Enumerated_Domain: Enumerated_Domain_Value: 127 Enumerated_Domain_Value_Definition: ls? - Possible landslide deposits Enumerated_Domain: Enumerated_Domain_Value: 128 Enumerated_Domain_Value_Definition: m - Muskeg Enumerated_Domain: Enumerated_Domain_Value: 145 Enumerated_Domain_Value_Definition: s - Solifluction deposits over pediment Enumerated_Domain: Enumerated_Domain_Value: 146 Enumerated_Domain_Value_Definition: rga - Rock-glacier deposits, active Enumerated_Domain: Enumerated_Domain_Value: 147 Enumerated_Domain_Value_Definition: rgi - Rock-glacier deposits, inactive Enumerated_Domain: Enumerated_Domain_Value: 148 Enumerated_Domain_Value_Definition: rgi? - Possible rock-glacier deposits, inactive Enumerated_Domain: Enumerated_Domain_Value: 149 Enumerated_Domain_Value_Definition: s - Solifluction deposits Enumerated_Domain: Enumerated_Domain_Value: 150 Enumerated_Domain_Value_Definition: s/sd - Solifluction deposits over Sagavanirktok drift Enumerated_Domain: Enumerated_Domain_Value: 151 Enumerated_Domain_Value_Definition: s/so - Solifluction deposits over Sagavanirktok outwash Enumerated_Domain: Enumerated_Domain_Value: 153 Enumerated_Domain_Value_Definition: sa - Sand deposits Enumerated_Domain: Enumerated_Domain_Value: 154 Enumerated_Domain_Value_Definition: sa? - Possible sand deposits Enumerated_Domain: Enumerated_Domain_Value: 156 Enumerated_Domain_Value_Definition: sd - Drift of Sagavanirktok River age Enumerated_Domain: Enumerated_Domain_Value: 160 Enumerated_Domain_Value_Definition: sd2 - Drift of Sagavanirktok River, late phase Enumerated_Domain: Enumerated_Domain_Value: 164 Enumerated_Domain_Value_Definition: sgl - Glacial-lake deposits of Sagavanirktok River age Enumerated_Domain: Enumerated_Domain_Value: 165 Enumerated_Domain_Value_Definition: sgl/sd - Glacial-lake deposits of Sagavanirktok River age over Sagavanirktok drift Enumerated_Domain: Enumerated_Domain_Value: 166 Enumerated_Domain_Value_Definition: sgl? - Possible glacial-lake deposits of Sagavanirktok River age Enumerated_Domain: Enumerated_Domain_Value: 167 Enumerated_Domain_Value_Definition: si - Ice-rich silt deposits Enumerated_Domain: Enumerated_Domain_Value: 169 Enumerated_Domain_Value_Definition: si? - Possible ice-rich silt deposits Enumerated_Domain: Enumerated_Domain_Value: 170 Enumerated_Domain_Value_Definition: so - Outwash of Sagavanirktok River age Enumerated_Domain: Enumerated_Domain_Value: 171 Enumerated_Domain_Value_Definition: so? - Possible outwash of Sagavanirktok River age Enumerated_Domain: Enumerated_Domain_Value: 176 Enumerated_Domain_Value_Definition: tgu - Terrace gravel Enumerated_Domain: Enumerated_Domain_Value: 183 Enumerated_Domain_Value_Definition: Tgmd - Drift of Gunsight Mountain age Enumerated_Domain: Enumerated_Domain_Value: 184 Enumerated_Domain_Value_Definition: Tgmd? - Possible drift of Gunsight Mountain age Enumerated_Domain: Enumerated_Domain_Value: 188 Enumerated_Domain_Value_Definition: tri - Talus rubble, inactive Enumerated_Domain: Enumerated_Domain_Value: 193 Enumerated_Domain_Value_Definition: us - Upland silt deposits Enumerated_Domain: Enumerated_Domain_Value: 202 Enumerated_Domain_Value_Definition: (c) - Thin and generally discontinuous colluvial covered pediment Enumerated_Domain: Enumerated_Domain_Value: 203 Enumerated_Domain_Value_Definition: (c) - Thin and generally discontinuous colluvium, undivided Enumerated_Domain: Enumerated_Domain_Value: 204 Enumerated_Domain_Value_Definition: (gr) - Gravel deposits, other Enumerated_Domain: Enumerated_Domain_Value: 205 Enumerated_Domain_Value_Definition: (s)? - Thin and generally discontinuous possible solifluction deposits Enumerated_Domain: Enumerated_Domain_Value: 206 Enumerated_Domain_Value_Definition: (us) - Thin and generally discontinuous upland silt deposits Enumerated_Domain: Enumerated_Domain_Value: 207 Enumerated_Domain_Value_Definition: agl - Glacial-lake deposits of Anaktuvuk River age Enumerated_Domain: Enumerated_Domain_Value: 208 Enumerated_Domain_Value_Definition: agl/ad - Glacial-lake deposits of Anaktuvuk River age over drift of Anaktuvuk River age Enumerated_Domain: Enumerated_Domain_Value: 209 Enumerated_Domain_Value_Definition: agl/ad? - Glacial-lake deposits of Anaktuvuk River age over possible drift of Anaktuvuk River age Enumerated_Domain: Enumerated_Domain_Value: 210 Enumerated_Domain_Value_Definition: agl/Tgmd - Glacial-lake deposits of Anaktuvuk River age over Gunsight Mountain drift Enumerated_Domain: Enumerated_Domain_Value: 211 Enumerated_Domain_Value_Definition: agl? - Possible glacial-lake deposits of Anaktuvuk River age Enumerated_Domain: Enumerated_Domain_Value: 212 Enumerated_Domain_Value_Definition: ak - Kame terrace Enumerated_Domain: Enumerated_Domain_Value: 214 Enumerated_Domain_Value_Definition: al1? - Possible low alluvial-terrace deposits Enumerated_Domain: Enumerated_Domain_Value: 215 Enumerated_Domain_Value_Definition: als - Fine-grained alluvium Enumerated_Domain: Enumerated_Domain_Value: 216 Enumerated_Domain_Value_Definition: b? - Possible beach deposits Enumerated_Domain: Enumerated_Domain_Value: 217 Enumerated_Domain_Value_Definition: ds1 - Dune sand, older Enumerated_Domain: Enumerated_Domain_Value: 218 Enumerated_Domain_Value_Definition: ds2 - Dune sand, younger Enumerated_Domain: Enumerated_Domain_Value: 219 Enumerated_Domain_Value_Definition: fi - Inactive fan deposits Enumerated_Domain: Enumerated_Domain_Value: 221 Enumerated_Domain_Value_Definition: gr/sa - Gravel deposits, other over sand deposits Enumerated_Domain: Enumerated_Domain_Value: 222 Enumerated_Domain_Value_Definition: gr/sd - Gravel deposits, other over Sagavanirktok drift Enumerated_Domain: Enumerated_Domain_Value: 223 Enumerated_Domain_Value_Definition: l/ao? - Lacustrine deposits over possible outwash of Anaktuvuk River age Enumerated_Domain: Enumerated_Domain_Value: 224 Enumerated_Domain_Value_Definition: l/B - Lacustrine deposits over bedrock Enumerated_Domain: Enumerated_Domain_Value: 225 Enumerated_Domain_Value_Definition: l1 - Lacustrine deposits, high-level Enumerated_Domain: Enumerated_Domain_Value: 226 Enumerated_Domain_Value_Definition: l1? - Possible lacustrine deposits, high-level Enumerated_Domain: Enumerated_Domain_Value: 227 Enumerated_Domain_Value_Definition: l2 - Lacustrine deposits, low-level Enumerated_Domain: Enumerated_Domain_Value: 228 Enumerated_Domain_Value_Definition: m/tdC2 - Muskeg over terrace deposit, intermediate-level along Koyukuk River Enumerated_Domain: Enumerated_Domain_Value: 229 Enumerated_Domain_Value_Definition: m/tdC3 - Muskeg over terrace deposit, low-level along Koyukuk River Enumerated_Domain: Enumerated_Domain_Value: 230 Enumerated_Domain_Value_Definition: s/al - Solifluction deposits over alluvium, undivided Enumerated_Domain: Enumerated_Domain_Value: 231 Enumerated_Domain_Value_Definition: s/fi - Solifluction deposits over inactive fan deposits Enumerated_Domain: Enumerated_Domain_Value: 232 Enumerated_Domain_Value_Definition: s/gr? - Solifluction deposits over gravel deposits, other Enumerated_Domain: Enumerated_Domain_Value: 233 Enumerated_Domain_Value_Definition: s/io - Solifluction deposits over outwash of Itkillik age, undivided Enumerated_Domain: Enumerated_Domain_Value: 234 Enumerated_Domain_Value_Definition: s/l - Solifluction deposits over lacustrine deposits Enumerated_Domain: Enumerated_Domain_Value: 235 Enumerated_Domain_Value_Definition: sa+gr - Very sandy gravel deposits Enumerated_Domain: Enumerated_Domain_Value: 236 Enumerated_Domain_Value_Definition: sd/sgl - Drift of Sagavanirktok River age over glacial-lake deposits of Sagavanirktok River age Enumerated_Domain: Enumerated_Domain_Value: 237 Enumerated_Domain_Value_Definition: sd/sgl? - Drift of Sagavanirktok River age over possible glacial-lake deposits of Sagavanirktok River age Enumerated_Domain: Enumerated_Domain_Value: 238 Enumerated_Domain_Value_Definition: sgl/ad - Glacial-lake deposits of Sagavanirktok River age over drift of Anaktuvuk River age Enumerated_Domain: Enumerated_Domain_Value: 239 Enumerated_Domain_Value_Definition: sgl/sd? - Glacial-lake deposits of Sagavanirktok River age over possible drift of Sagavanirktok River age Enumerated_Domain: Enumerated_Domain_Value: 240 Enumerated_Domain_Value_Definition: sgl/Tgmd - Glacial-lake deposits of Sagavanirktok River age over drift of Gunsight Mountain age Enumerated_Domain: Enumerated_Domain_Value: 241 Enumerated_Domain_Value_Definition: sgl - Glacial-lake deposits of Sagavanirktok River age, eroded Enumerated_Domain: Enumerated_Domain_Value: 242 Enumerated_Domain_Value_Definition: si/al - Ice-rich silt deposits over alluvium, undivided Enumerated_Domain: Enumerated_Domain_Value: 243 Enumerated_Domain_Value_Definition: si/B - Ice-rich silt deposits over bedrock Enumerated_Domain: Enumerated_Domain_Value: 245 Enumerated_Domain_Value_Definition: tdu - Terrace deposit Enumerated_Domain: Enumerated_Domain_Value: 246 Enumerated_Domain_Value_Definition: tdu/agl - Terrace deposit, over glacial-lake deposits of Anaktuvuk River age Enumerated_Domain: Enumerated_Domain_Value: 247 Enumerated_Domain_Value_Definition: tdC1? - Possible terrace deposit, high-level along Koyukuk River Enumerated_Domain: Enumerated_Domain_Value: 249 Enumerated_Domain_Value_Definition: tgu? - Possible terrace gravel Enumerated_Domain: Enumerated_Domain_Value: 252 Enumerated_Domain_Value_Definition: Tgmd - Drift of Gunsight Mountain age, eroded Enumerated_Domain: Enumerated_Domain_Value: 253 Enumerated_Domain_Value_Definition: Tgr - Quartzose gravel of inferred Tertiary age Enumerated_Domain: Enumerated_Domain_Value: 254 Enumerated_Domain_Value_Definition: Tgr? - Possible quartzose gravel of inferred Tertiary age Enumerated_Domain: Enumerated_Domain_Value: 255 Enumerated_Domain_Value_Definition: us/ad? - Upland silt deposits over possible drift of Anaktuvuk River age Enumerated_Domain: Enumerated_Domain_Value: 257 Enumerated_Domain_Value_Definition: us/Tgmd? - Upland silt deposits over possible drift of Gunsight Mountain age Enumerated_Domain: Enumerated_Domain_Value: 258 Enumerated_Domain_Value_Definition: us/Tgr - Upland silt deposits over quartzose gravel of inferred Tertiary age Enumerated_Domain: Enumerated_Domain_Value: 259 Enumerated_Domain_Value_Definition: sgl/ao - Glacial-lake deposits of Sagavanirktok River age over outwash of Anaktuvuk River age Enumerated_Domain: Enumerated_Domain_Value: 260 Enumerated_Domain_Value_Definition: gl? - Glacial-lake deposits, undivided Enumerated_Domain: Enumerated_Domain_Value: 261 Enumerated_Domain_Value_Definition: agl - Glacial-lake deposits of Anaktuvuk River age, eroded Enumerated_Domain: Enumerated_Domain_Value: 262 Enumerated_Domain_Value_Definition: tdA3 - Terrace deposit, low-level along Henshaw Creek Enumerated_Domain: Enumerated_Domain_Value: 263 Enumerated_Domain_Value_Definition: tdA2 - Terrace deposit, intermediate-level along Henshaw Creek Enumerated_Domain: Enumerated_Domain_Value: 264 Enumerated_Domain_Value_Definition: tdA1 - Terrace deposit, high-level along Henshaw Creek Enumerated_Domain: Enumerated_Domain_Value: 265 Enumerated_Domain_Value_Definition: tgB3 - Terrace gravel, low-level along Jim River Enumerated_Domain: Enumerated_Domain_Value: 266 Enumerated_Domain_Value_Definition: tgB2 - Terrace gravel, intermediate-level along Jim River Enumerated_Domain: Enumerated_Domain_Value: 267 Enumerated_Domain_Value_Definition: tgB1 - Terrace gravel, high-level along Jim River Enumerated_Domain: Enumerated_Domain_Value: 268 Enumerated_Domain_Value_Definition: tdC3 - Terrace deposit, low-level along Koyukuk River Enumerated_Domain: Enumerated_Domain_Value: 269 Enumerated_Domain_Value_Definition: tdC2 - Terrace deposit, intermediate-level along Koyukuk River Enumerated_Domain: Enumerated_Domain_Value: 270 Enumerated_Domain_Value_Definition: tdC1 - Terrace deposit, high-level along Koyukuk River Enumerated_Domain: Enumerated_Domain_Value: 271 Enumerated_Domain_Value_Definition: tgD3 - Terrace gravel, low-level along Koyukuk River below Allakaket Enumerated_Domain: Enumerated_Domain_Value: 272 Enumerated_Domain_Value_Definition: tdD3 - Terrace deposit, low-level along Koyukuk River below Allakaket Enumerated_Domain: Enumerated_Domain_Value: 273 Enumerated_Domain_Value_Definition: tgD1 - Terrace gravel, high-level along Koyukuk River below Allakaket Enumerated_Domain: Enumerated_Domain_Value: 274 Enumerated_Domain_Value_Definition: tgDH - Terrace gravel, highest-level along Koyukuk River below Allakaket Enumerated_Domain: Enumerated_Domain_Value: 275 Enumerated_Domain_Value_Definition: (d) - Thin and generally discontinuous drift, undivided Enumerated_Domain: Enumerated_Domain_Value: 276 Enumerated_Domain_Value_Definition: Bedrock Attribute: Attribute_Label: OVERPRINT Attribute_Definition: OVERPRINT is a positive integer value (3 3 i) item in the polygon attribute table. Values range from 0 to 1. OVERPRINT identifies those polygons that will have an overprint pattern on the map. Such as near-surface bedrock, pediments, and altiplanation terraces. Those areas with surface and subsurface lacustrine deposits, and heavily eroded surficial units. Included in the .pat because not all polygons for a particular unit will have an overprint. Attribute_Definition_Source: Miscellaneous Field Studies MF-2409 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 0 Enumerated_Domain_Value_Definition: No overprint Enumerated_Domain: Enumerated_Domain_Value: 1 Enumerated_Domain_Value_Definition: Overprint Attribute: Attribute_Label: COMPOUND Attribute_Definition: COMPOUND is a positive integer value (3 3 i) item in the polygon attribute table. Values range from 0 to 1. Compound units are map units shown with slashes that indicate deposits of the first unit above known or inferred deposits of the second unit. Attribute_Definition_Source: Miscellaneous Field Studies MF-2409 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 0 Enumerated_Domain_Value_Definition: Not a compound unit Enumerated_Domain: Enumerated_Domain_Value: 1 Enumerated_Domain_Value_Definition: Compound unit Detailed_Description: Entity_Type: Entity_Type_Label: points Entity_Type_Definition: Characteristic of point features in coverage btpoint are coded in btpoint.pat, the point attribute table. The .pat includes the following items: DESCRIPTION and SYMBOL. Entity_Type_Definition_Source: This dataset Attribute: Attribute_Label: SYMBOL Attribute_Definition: SYMBOL is a positive integer value (4 3 B) item in the point attribute table. Every unique type of point has a unique SYMBOL value. Each SYMBOL value listed below is described and then defined by the information from the DESCRIPTION item. Attribute_Definition_Source: This dataset Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 87 Enumerated_Domain_Value_Definition: Arrow with solid head; Direction of glacier flow across topographic divide Enumerated_Domain: Enumerated_Domain_Value: 89 Enumerated_Domain_Value_Definition: Arrow with open head; Former glacial-lake outlet or drainage diversion Enumerated_Domain: Enumerated_Domain_Value: 99 Enumerated_Domain_Value_Definition: Arrow with solid head with a circle over the tail; Direction of ice movement or meltwater drainage over ice scoured bedrock Enumerated_Domain: Enumerated_Domain_Value: 102 Enumerated_Domain_Value_Definition: Open circle radiating lines; Pingo Enumerated_Domain: Enumerated_Domain_Value: 113 Enumerated_Domain_Value_Definition: Solid circle with a wavy line coming out of it; Spring Enumerated_Domain: Enumerated_Domain_Value: 114 Enumerated_Domain_Value_Definition: Two parallel brackets; U-shaped pass - where glacier crossed topographic divide Distribution_Information: Distributor: Contact_Information: Contact_Organization_Primary: Contact_Organization: USGS Information Services Contact_Address: Address_Type: mailing address Address: Box 25286 Denver Federal Center City: Denver State_or_Province: CO Postal_Code: 80225-0046 Country: USA Contact_Voice_Telephone: 303-202-4200 or 1-888-ASK-USGS Resource_Description: MISCELLANEOUS FIELD STUDIES MF-2409 Distribution_Liability: Although this data has been used by the USGS, no warranty, expressed or implied, is made by the USGS as to the accuracy of the data and related materials. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in the use of these data, software, or related materials. Standard_Order_Process: Digital_Form: Digital_Transfer_Information: Format_Name: MISCELLANEOUS FIELD STUDIES MF-2409 Format_Version_Number: 1.0 Format_Version_Date: 20020418 Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: http://geopubs.wr.usgs.gov Fees: none Metadata_Reference_Information: Metadata_Date: 20020513 Metadata_Review_Date: 20020510 Metadata_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Person: Keith Labay Contact_Address: Address_Type: mailing and physical address Address: 4200 University Drive City: Anchorage State_or_Province: AK Postal_Code: 99508-4667 Country: USA Contact_Voice_Telephone: 907-786-7410 Contact_Electronic_Mail_Address: klabay@usgs.gov Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata Metadata_Standard_Version: FGDC-STD-001-1998