Identification_Information: Citation: Citation_Information: Originator: James C. Cole Originator: William A. Braddock Originator: Theodore R. Brandt Publication_Date: 2011 Title: Preliminary Geologic Map of the Bowen Mountain Quadrangle, Grand and Jackson Counties, Colorado Edition: 1.0 Geospatial_Data_Presentation_Form: map Series_Information: Series_Name: USGS Open-File Report Issue_Identification: OFR 2011-1111 Publication_Information: Publication_Place: Denver, Colorado Publisher: U.S. Geological Survey Online_Linkage: http://pubs.usgs.gov/of/2011/1111 Description: Abstract: The map shows the geology of an alpine region in the southern Never Summer Mountains, including parts of the Never Summer Wilderness Area, the Bowen Gulch Protection Area, and the Arapaho National Forest. The area includes Proterozoic crystalline rocks in fault contact with folded and overturned Paleozoic and Mesozoic sedimentary rocks and Upper Cretaceous(?) and Paleocene Middle Park Formation. The folding and faulting appears to reflect a singular contractional deformation (post- Middle Park, so probably younger than early Eocene) that produced en echelon structural uplift of the Proterozoic basement of the Front Range. The geologic map indicates there is no through-going ?Never Summer thrust? fault in this area. The middle-Tertiary structural complex was intruded in late Oligocene time by basalt, quartz latite, and rhyolite porphyry plugs that also produced minor volcanic deposits; these igneous rocks are collectively referred to informally as the Braddock Peak intrusive-volcanic complex whose type area is located in the Mount Richthofen quadrangle immediately north. Miocene boulder gravel deposits are preserved along high-altitude ridges that probably represent former gravel channels that developed during uplift and erosion in middle Tertiary time. Purpose: This map is published in order to release detailed geologic information about this area in the northern Colorado Front Range. The area covers parts of the Never Summer Wilderness Area, the Bowen Gulch Protection Area, and the Arapaho National Forest adjoining Rocky Mountain National Park. The geology depicted here differs in minor detail from geology shown on previously published smaller-scale maps of Rocky Mountain National Park and the Estes Park 30 x 60 minute quadrangle. Supplemental_Information: Map political location: Grand and Jackson Counties, Colorado Compilation scale: 1:24,000 Base map used is the U.S. Geological Survey 7.5 minute topographic quadrangle for Bowen Mountain, Colorado Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 2011 Currentness_Reference: publication date Status: Progress: Complete Maintenance_and_Update_Frequency: formal SIM release planned Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -106.00000 East_Bounding_Coordinate: -105.87500 North_Bounding_Coordinate: 40.37500 South_Bounding_Coordinate: 40.25000 Keywords: Theme: Theme_Keyword_Thesaurus: AGI Glossary of Geology Theme_Keyword: Laramide orogeny Theme_Keyword: Proterozoic geology Theme_Keyword: Never Summer thrust Theme_Keyword: paleodrainage Place: Place_Keyword_Thesaurus: U.S. Board of Geographic Names (BGN) Geographic Names Information System (GNIS) Place_Keyword: USA Place_Keyword: Colorado Place_Keyword: Grand County Place_Keyword: Jackson County Place_Keyword: Front Range Place_Keyword: Never Summer Mountains Place_Keyword: Continental Divide Temporal: Temporal_Keyword_Thesaurus: Geologic Names Committee Lexicon (Geolex) Temporal_Keyword: Laramide Temporal_Keyword: Cenozoic Temporal_Keyword: Paleocene Temporal_Keyword: Pleistocene Access_Constraints: none Use_Constraints: None. Users of this geospatial database and geologic information derived there from should acknowledge the U.S. Geological Survey as the source of the data. Although software enables a user to display images at various scales, map data in this report should not be used at scales greater than 1:24,000. Point_of_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: James C. Cole Contact_Organization: U.S. Geological Survey Contact_Address: Address_Type: mailing Address: P.O. Box 25046, MS 980 Address: Denver Federal Center City: Denver State_or_Province: CO Postal_Code: 80225-0046 Country: USA Contact_Voice_Telephone: 303-236-1417 Contact_Electronic_Mail_Address: jimcole@usgs.gov Browse_Graphic: Browse_Graphic_File_Name: http://pubs.usgs.gov/of/2011/1111/downloads/OF2011-1111_plate.pdf/ Browse_Graphic_File_Description: graphic representation of map layout Browse_Graphic_File_Type: PDF Data_Set_Credit: Theodore Brandt, U.S. Geological Survey, served as author of the GIS database. Native_Data_Set_Environment: Windows_XP, Intel ArcInfo version 9.3.1 Data_Quality_Information: Attribute_Accuracy: Attribute_Accuracy_Report: Data were entered and checked by the geologist that made the field observations. The attributes of this geospatial data set consist of text identifiers and numeric codes that indicate the identity of the geologic unit or type of geologic feature, and determine how each feature is colored or symbolized. To check attribute accuracy, a color check plot was visually compared to the geologist's original compilation. Discrepancies between the digital geospatial dataset and the original analog or digital compilation were corrected as needed. Machine-created listings of unique attribute values were used to identify spelling errors or other inconsistencies, and corrections were made as needed. Logical_Consistency_Report: Map elements were visually checked for overshoots, undershoots, duplicate features, polygon closure, and other errors by the lead author and by the GIS technician(s) that created the digital database. Automated (ArcInfo) routines were also used to check the databases for polygon label errors, line or point attribution errors, sliver polygons, dangling arcs, intersection errors, and projection information. Check plots of the map were reviewed by at least one other geologist for consistency with basic geologic principles and general conformity to USGS mapping standards. Completeness_Report: Data are complete: no features that could be accurately represented at the compilation scale of 1:24,000 were eliminated or generalized. The smallest area represented is approximately 110 square meters. All geospatial database elements are attributed. Positional_Accuracy: Horizontal_Positional_Accuracy: Horizontal_Positional_Accuracy_Report: Most digitized positions on the map that depict distinct contacts between rock formations in the field are estimated to be within 20 m of the actual contact on the land in most instances. Boundaries (lines) between Quaternary units (for example, terrace gravels) that correspond closely to distinct edges of landforms (for example, river terraces) are of comparable accuracy. Boundaries (lines) between some Quaternary units, such as eolian deposits and broad alluvial aprons, are approximately located within an indefinite gradational zone between them. Horizontal positional accuracy is tested by visual comparison of hard copy test plots to source maps or comparing locations of data on a computer monitor to other data layers in the same geographic area. The database contains no elevation data. Accuracy of these digital data indirectly depends on accuracy of the base maps on which the original source geologic maps were compiled. These base maps were made by the U.S. Geological Survey, which routinely checks them for compliance with the National Map Accuracy Standards. Lineage: Source_Information: Source_Citation: Citation_Information: Originator: Lewis, R. S. Originator: Derkey, P. D. Title: Digital geologic map of part of the Thompson Falls 1:100,000 quadrangle, Idaho Publication_Date: 1999 Series_Information: Series_Name: U.S. Geological Survey Open File Report Issue_Identification: OFR 99-438 Source_Scale_Denominator: 100000 Type_of_Source_Media: paper Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1999 Source_Currentness_Reference: publication date Source_Citation_Abbreviation: Lewis and Derkey (1999) Source_Contribution: GIS database structure source Process_Step: Process_Description: Geology was primarily mapped by Braddock from 1985 to 1990. Process_Date: 1990 Process_Step: Process_Description: Cole conducted additional field work in the western part of the quadrangle from 2006 to 2008 and revised some map data. Process_Date: 2008 Process_Step: Process_Description: Geologic polygon, line, and point features were digitized, attributed and revised in ArcInfo. Process_Date: 2009 Process_Step: Process_Description: Metadata created by Ted Brandt. Process_Date: 2010 Process_Step: Process_Description: Metadata reviewed and revised by Ted Brandt. Process_Date: 2011 Spatial_Data_Organization_Information: Direct_Spatial_Reference_Method: Vector Spatial_Reference_Information: Horizontal_Coordinate_System_Definition: Planar: Map_Projection: Map_Projection_Name: Polyconic Polyconic: Longitude_of_Central_Meridian: -105.93750 Latitude_of_Projection_Origin: 40.250 False_Easting: 0.00000 False_Northing: 0.00000 Planar_Coordinate_Information: Planar_Coordinate_Encoding_Method: coordinate pair Coordinate_Representation: Abscissa_Resolution: 0.2 Ordinate_Resolution: 0.2 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: 294.98 Entity_and_Attribute_Information: Overview_Description: Entity_and_Attribute_Overview: The data are supplied in ArcInfo export format, ArcView shapefile format, and ArcGIS geodatabase format. DATABASE STRUCTURE - ArcInfo ==================================== This GIS database includes related look-up tables, which store detailed attribute information. This database structure is more fully described in USGS OFR 99-438 (Lewis and Derkey, 1999). The GIS database structure used in the database includes symbol and pattern items in coverage point, polygon (PAT), and arc (AAT) attribute tables for user convenience. ArcInfo relates for each coverage are saved in a file named .rel. Use the RELATE command with the restore argument at the arc prompt to make the relates active. Alternatively, in ArcTools, use the Relate environment: open dialog in the Manage Relates flyout menu under the ArcTools menu to make the relates active. bowgeo coverage: Contains all contact lines and label points for each geologic polygon. In the .pat INFO file the SOURCE item provides a numeric code used to identify the data source for the rock unit. Complete references for the sources listed are listed in the bowgeo.ref file. The LABEL item indicates the rock unit label (abbreviation) used to label unit on map. The MLABEL item indicates the rock unit label from GeoAge version 1.2 font, using geologic age letter symbols associated with the age of the lithologic units (for example: Triassic, Pennsylvanian, Cambrian). The DESC item defines formal or informal unit name. The SYMBOL item contains the shadeset symbol number used by ArcInfo to plot a filled/shaded polygon. The symbol numbers in this item refer to the wpgcmykg.shd shadeset included with the dataset. In the bowgeo.aat INFO file, the LINECODE item provides a numeric code used to identify type of linear feature. Linecodes less than 100 are used for contacts and boundaries that are described in the bowgeo.con file. Linecodes greater than 100 are used for structures that are described in the bowgeo.str file. The NAME item lists the name given to the structural feature. The SOURCE item lists the numeric code used to identify the data source for the linear feature. The SYMBOL item lists the line symbol number used by ArcInfo to plot the line (symbol numbers refer to the geol_sfo.lin lineset). Complete references for the sources are listed in the bowgeo.ref file. Related look-up table files are bowgeo.con, bowgeo.str, and bowgeo.ref. In the bowgeo.con INFO file, the LINECODE item indicates the numeric code (a value less than 100) used to identify type of contact or boundary. The SYMBOL item lists the line symbol number used by ArcInfo to plot the line (symbol numbers refer to the geol_sfo.lin lineset included with the dataset). The TYPE item lists the major type of line (for example, contact, State boundaries, lines of latitude and longitude used for neatlines). The MODIFIER item lists the line type modifier (that is, approximate, concealed, or gradational). No entry implies 'known.' The CERTAINTY item lists the degree of certainty of contact or boundary (that is, inferred or uncertain). No entry implies 'certain.' The DESC item lists the written description or explanation of the contact or boundary. In the bowgeo.str INFO file, the LINECODE item indicates the numeric code (a value greater than 100) used to identify type of structure. The SYMBOL item lists the line symbol number used by ArcInfo to plot the line (symbol numbers refer to the geol_sfo.lin lineset included with the dataset). The TYPE item lists the major type of line (for example, fault or fold-axis). The HORIZONTAL item refers to the type of horizontal fault movement (for example, left-lateral or right-lateral). No entry implies 'unknown' or no strike-slip movement. The VERTICAL item refers to the type of vertical fault movement (for example, normal). No entry implies 'unknown' or no dip-slip movement. The FOLD item refers to the type of fold (for example, anticline or syncline). The PLUNGE item refers to the type of plunge on fold (that is, horizontal, plunging, plunging in, or plunging out). The ACCURACY item refers to the line type modifier indicating degree of accuracy (that is, approximately located, concealed, gradational). No entry implies 'certain.' The CERTAINTY item lists the degree of certainty of structure (that is, inferred, uncertain). No entry implies 'certain.' The DESC item lists the written description or explanation of the structure. The INFO structure of these files is listed below: >BOWGEO.PAT: > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE > 1 AREA 8 18 F 5 > 9 PERIMETER 8 18 F 5 > 17 BOWGEO# 4 5 B - > 21 BOWGEO-ID 4 5 B - > 25 SOURCE 4 4 I - > 29 LABEL 10 10 C - > 39 MLABEL 10 10 C - > 49 DESC 150 150 C - > 199 SYMBOL 3 3 I - >BOWGEO.AAT: > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 FNODE# 4 5 B - > 5 TNODE# 4 5 B - > 9 LPOLY# 4 5 B - > 13 RPOLY# 4 5 B - > 17 LENGTH 8 18 F 5 > 25 BOWGEO# 4 5 B - > 29 BOWGEO-ID 4 5 B - > 33 LINECODE 3 3 I - > 36 NAME 100 100 C - > 136 SOURCE 4 4 I - > 140 SYMBOL 3 3 I - >BOWGEO.CON: > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 LINECODE 3 3 I - > 4 SYMBOL 3 3 I - > 7 TYPE 10 10 C - > 17 MODIFIER 20 20 C - > 37 CERTAINTY 15 15 C - > 52 DESC 100 100 C - >BOWGEO.STR: > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 LINECODE 3 3 I - > 4 SYMBOL 3 3 I - > 7 TYPE 10 10 C - > 17 HORIZONTAL 20 20 C - > 37 VERTICAL 20 20 C - > 57 FOLD 15 15 C - > 72 PLUNGE 15 15 C - > 87 ACCURACY 15 15 C - > 102 CERTAINTY 15 15 C - > 117 DESC 100 100 C - > BOWGEO.REF: > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 SOURCE 4 4 I - > 5 SCALE 8 8 I - > 13 AUTHORS 200 200 C - > 213 YEAR 4 4 I - > 217 REFERENCE 250 250 C - bowfold coverage: Contains lines of geologic fold axes In the bowfold.aat INFO file, the LINECODE item provides a numeric code used to identify the type of linear feature. Linecodes are used for structures that are described in the bowfold.str file. The NAME item lists the name given to the structural feature. The SOURCE item lists the numeric code used to identify the data source for the linear feature. The SYMBOL item lists the line symbol number used by ArcInfo to plot the line (symbol numbers refer to the geol_sfo.lin lineset). Complete references for the sources are listed in the bowfold.ref file. Related look-up table files are bowfold.str, and bowfold.ref. In the bowfold.str INFO file, the LINECODE item indicates the numeric code (a value greater than 100) used to identify type of structure. The SYMBOL item lists the line symbol number used by ArcInfo to plot the line (symbol numbers refer to the geol_sfo.lin lineset included with the dataset). The TYPE item lists the major type of line (for example, fault or fold-axis). The HORIZONTAL item refers to the type of horizontal fault movement (for example, left-lateral or right-lateral). No entry implies 'unknown' or no strike-slip movement. The VERTICAL item refers to the type of vertical fault movement (for example, normal). No entry implies 'unknown' or no dip-slip movement. The FOLD item refers to the type of fold (for example, anticline or syncline). The PLUNGE item refers to the type of plunge on fold (that is, horizontal, plunging, plunging in, or plunging out). The ACCURACY item refers to the line type modifier indicating degree of accuracy. (that is, approximately located, concealed, gradational). No entry implies 'certain.' The CERTAINTY item lists the degree of certainty of structure (that is, inferred, uncertain). No entry implies 'certain.' The DESC item lists the written description or explanation of the structure. >BOWFOLD.AAT: > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 FNODE# 4 5 B - > 5 TNODE# 4 5 B - > 9 LPOLY# 4 5 B - > 13 RPOLY# 4 5 B - > 17 LENGTH 8 18 F 5 > 25 BOWFOLD# 4 5 B - > 29 BOWFOLD-ID 4 5 B - > 33 LINECODE 3 3 I - > 36 NAME 100 100 C - > 136 SOURCE 4 4 I - > 140 SYMBOL 3 3 I - > >BOWFOLD.STR: > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 LINECODE 3 3 I - > 4 SYMBOL 3 3 I - > 7 TYPE 10 10 C - > 17 HORIZONTAL 20 20 C - > 37 VERTICAL 20 20 C - > 57 FOLD 15 15 C - > 72 PLUNGE 15 15 C - > 87 ACCURACY 15 15 C - > 102 CERTAINTY 15 15 C - > 117 DESC 100 100 C - > >BOWFOLD.REF: > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 SOURCE 4 4 I - > 5 SCALE 8 8 I - > 13 AUTHORS 200 200 C - > 213 YEAR 4 4 I - > 217 REFERENCE 250 250 C - bowage coverage: Contains points recording site-specific observations and measurements of the location of radiometric-age samples. In the bowage.pat INFO file, the PTTYPE item lists the type of point symbol (for example, strike and dip of inclined bedding). The SYMBOL item lists the marker symbol used by ArcInfo to identify the type of structural map symbol(symbol numbers refer to the geoscamp2.mrk markerset). The SAMPLENO item contains the ages of dated rock samples. The AGE item contains rock-sample ages followed by the measurement tolerances. Both of these values are expressed in Ma. The SOURCE item lists the numeric code used to identify the data source. In the bowage.ref INFO file, the SOURCE item lists the numeric code used to identify the data source. The SCALE item lists the scale of the source map. (This value is the denominator of the proportional fraction that identifies the scale of the map that was digitized or scanned to produce the digital map.) The AUTHORS item lists the author(s) or compiler(s) of source map entered as last name, first name or initial, and middle initial. The YEAR item lists the source (map) publication date. The REFERENCE item lists the remainder of the reference in USGS reference format. >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 AREA 8 18 F 5 > 9 PERIMETER 8 18 F 5 > 17 BOWAGE# 4 5 B - > 21 BOWAGE-ID 4 5 B - > 25 PTTYPE 100 100 C - > 125 SAMPLENO 100 100 C - > 225 AGE 150 150 I - > 375 SYMBOL 3 3 I - > 378 SOURCE 4 4 I - > >BOWAGE.REF: > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 SOURCE 4 4 I - > 5 SCALE 8 8 I - > 13 AUTHORS 200 200 C - > 213 YEAR 4 4 I - > 217 REFERENCE 250 250 C - bowpts coverage: Contains points recording site-specific observations and measurements, such as strike and dip of bedding In the bowpts.pat INFO file, the PTTYPE item lists the type of point symbol (for example, strike and dip of inclined bedding). The SYMBOL item lists the marker symbol used by ArcInfo to identify the type of structural map symbol(symbol numbers refer to the geoscamp2.mrk markerset). The STRIKE item contains the strike of bedding as well as trend of fold axis, where applicable. Strike is an azimuthal angle. Measured in degrees from 0 to 360 in a clockwise direction from North, the STRIKE value also specifies the dip direction, where the dip direction is 90 degrees clockwise relative to the STRIKE. The DIP item contains the dip of bedding as well as plunge angles, where applicable. This value is an angle measured (in degrees from 0 to 90) down from the horizontal; thus a horizontal dip is 0 degrees and a vertical dip is 90 degrees. The SOURCE item lists the numeric code used to identify the data source. In the bowpts.ref INFO file, the SOURCE item lists the numeric code used to identify the data source. The SCALE item lists the scale of the source map. (This value is the denominator of the proportional fraction that identifies the scale of the map that was digitized or scanned to produce the digital map.) The AUTHORS item lists the author(s) or compiler(s) of source map entered as last name, first name or initial, and middle initial. The YEAR item lists the source (map) publication date. The REFERENCE item lists the remainder of the reference in USGS reference format. >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 AREA 8 18 F 5 > 9 PERIMETER 8 18 F 5 > 17 BOWPTS# 4 5 B - > 21 BOWPTS-ID 4 5 B - > 25 PTTYPE 100 100 C - > 125 SYMBOL 3 3 I - > 128 STRIKE 3 3 I - > 131 DIP 3 3 I - > 134 SOURCE 4 4 I - > >BOWPTS.REF: > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 SOURCE 4 4 I - > 5 SCALE 8 8 I - > 13 AUTHORS 200 200 C - > 213 YEAR 4 4 I - > 217 REFERENCE 250 250 C - bowwell coverage: Contains points recording site-specific measurements at well locations In the bowwell.pat INFO file, the PTTYPE item labels the points as "Well?. The SYMBOL item lists the point symbol number used by ArcInfo to plot the point (symbol numbers refer to the geoscamp2.mrk markerset). The WELLNAME item lists the recorded name of the well. The ELFT item lists the surface elevation in feet of the well. The TDFT item lists the total depth in feet of the well. In the bowwell.ref INFO file, the SOURCE item lists the numeric code used to identify the data source. The SCALE item lists the scale of the source map. (This value is the denominator of the proportional fraction that identifies the scale of the map that was digitized or scanned to produce the digital map.) The AUTHORS item lists the author(s) or compiler(s) of source map entered as last name, first name or initial, and middle initial. The YEAR item lists the source (map) publication date. The REFERENCE item lists the remainder of the reference in USGS reference format. >BOWWELL.PAT: > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 AREA 8 18 F 5 > 9 PERIMETER 8 18 F 5 > 17 BOWWELL# 4 5 B - > 21 BOWWELL-ID 4 5 B - > 25 PTTYPE 100 100 C - > 125 SYMBOL 3 3 I - > 128 WELLNAME 80 80 C - > 208 ELFT 5 5 I - > 213 TDFT 5 5 I - > 218 SOURCE 4 4 I - >BOWWELL.REF: > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 SOURCE 4 4 I - > 5 SCALE 8 8 I - > 13 AUTHORS 200 200 C - > 213 YEAR 4 4 I - > 217 REFERENCE 250 250 C - bowhlsd grid: Contains hillshade values derived from U.S. Geological Survey National Elevation Dataset (NED) 10 meter resolution elevation data. The grid's projection is the same polyconic NAD27 datum projection used for the geologic database coverages. The illumination angle for the hillshade's shaded relief grid was generated at an azimuth of 315 degrees and horizon angle of 45 degrees. In the integer grid's bowhlsd.vat INFO file, the VALUE item lists integer values that describe the illumination level of a cell or group of cells forming a zone. The COUNT item list the number of cells in a zone. In the grid's bowhlsd.sta INFO file, the MIN item contains the minimum value, the MAX item contains the maximum value, the MEAN item contain the average value, and the STDV item contains the standard deviation. >BOWHLSD.VAT > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 VALUE 4 10 B - > 5 COUNT 4 10 B - >BOWHLSD.STA > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 MIN 8 15 F 3 > 9 MAX 8 15 F 3 > 17 MEAN 8 15 F 3 > 25 STDV 8 15 F 3 >Coding of LABEL and DESC attributes in the bowgeo coverage: >LABEL | DESC >Jm | Morrison Formation (Upper Jurassic) >Kd | Dakota Sandstone (Lower Cretaceous) >Kmw | Middle Park Formation, Windy Gap Volcanic Member (Upper Cretaceous?) >Kn | Niobrara Formation (Upper Cretaceous) >Kpl | Pierre Shale, lower shale unit (Upper Cretaceous) >Kps | Pierre Shale, middle sandy unit (Upper Cretaceous) >Kpu | Pierre Shale, upper shale unit (Upper Cretaceous) >NPei | Intrusive rocks, undivided (Miocene to Oligocene) >NPet | Troublesome Formation (lower Miocene and upper Oligocene) >NPeg | Fluvial gravel (Miocene and upper Oligocene) >Peba | Basalt and trachyandesite (upper Oligocene) >Pebi | Intrusive basalt (late Oligocene) >Pelx | Intrusive tuff-breccia (late Oligocene) >Pema | Middle Park Formation, arkosic unit (Paleocene) >Pemv | Middle Park Formation, volcanic unit (Paleocene) >Peqla | Quartz latite of Apiatan Mountain (late Oligocene) >Perp | Rhyolite porphyry (late Oligocene) >Pev | Volcanic rocks, undivided (upper Oligocene) >Qc | Colluvium (Holocene and upper Pleistocene) >Qdf | Debris flow deposit(Holocene) >Qgy | Stream-terrace gravel deposits (Holocene and upper Pleistocene) >Qlo | Loess (Holocene and upper Pleistocene) >Qls | Landslide deposits (Holocene and upper Pleistocene) >Qo | Organic-rich sediment (Holocene and upper Pleistocene) >Qr | Rock glacier deposit (Holocene and upper Pleistocene) >Qta | Talus deposits (Holocene and upper Pleistocene) >Qtb | Till of Bull Lake age (upper and middle Pleistocene) >Qtp | Till of Pinedale age (upper Pleistocene) >Qtp? | Till of Pinedale age (upper Pleistocene) >Qva | Mountain valley alluvium (Holocene and upper Pleistocene) >TRPc | Chugwater Formation and older units (Lower Triassic and Upper Permian) >Xbq | Quartzofeldspathic biotite schist and gneiss (Paleoproterozoic) >Xf | Granitic gneiss (Paleoproterozoic) >Xfb | Biotite granofels (Paleoproterozoic) >Xh | Hornblende gneiss and amphibolite (Paleoproterozoic) >YXp | Pegmatite (Mesoproterozoic and (or) Paleoproterozoic) >YgLP | Granite of Longs Peak batholith (Mesoproterozoic) >w | Open water >Coding of LINECODE and NAME attributes in the bowgeo coverage: >LINECODE | NAME >1 | Contact - Certain >2 | Contact - Approximately located >3 | Contact - Concealed >5 | Contact - Scratch boundary >12 | Contact - Approximately located, queried >35 | Crest line of moraine >41 | Shoreline >81 | Map boundary >101 | Fault - Certain >102 | Fault - Approximately located >103 | Fault - Concealed >171 | Thrust fault - Certain >173 | Thrust fault - Concealed >512 | NPei dike >516 | Landslide scarp - Approximately located >Coding of PTTYPE attributes in the bowage coverage: >PTTYPE >Location of radiometric-age sample >Coding of PTTYPE attributes in the bowwell coverage: >PTTYPE >Well >Coding of PTTYPE attributes in the bowpts coverage: >PTTYPE >Adit >Average foliation with minor folds >Crinkled fold axis >Crinkled foliation >Minor fold axis >Horizontal bedding >Inclined bedding - Showing strike and dip >Inclined foliation in layered gneiss or schist - Showing strike and dip >Mineral lineation >Overturned bedding - Showing strike and dip >Vertical bedding - Showing strike >Vertical or near-vertical flow foliation or layering in igneous rock ? Showing strike >Vertical or near-vertical foliation in metamorphic rock - Showing strike Auxiliary files: geol_sfo.lin: This lineset file defines geologic line types in the geologically themed coverages. geoscamp2.mrk: This markerset file defines the geologic markers in the geologically themed coverages. wpgcmykg.shd: This shadeset file defines the cmyk values of colors assigned to polygons in the geologically themed coverages. OF2011-1111_map: A print optimized file for viewing and printing a graphics version of the map and accessory elements using Adobe Acrobat viewing software (version 10.0.1). (Adobe Acrobat viewing software is free and can be downloaded at the following URL: http://www.adobe.com/products/acrobat/readstep2.html) Entity_and_Attribute_Detail_Citation: http://wrgis.wr.usgs.gov/open-file/of99-438/ Distribution_Information: Distributor: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Address: Address_Type: mailing address Address: USGS Information Services Address: Box 25286 Address: Denver Federal Center City: Denver State_or_Province: CO Postal_Code: 80225-0046 Contact_Voice_Telephone: 1-888-ASK-USGS Contact_Electronic_Mail_Address: none Resource_Description: Open-File Report 2011-1111 Distribution_Liability: This database, identified as OF 2011-1111, has been approved for release and publication by the Director of the USGS. Although this database has been subjected to rigorous review and is substantially complete, the USGS reserves the right to revise the data pursuant to further analysis and review. Furthermore, it is released on condition that neither the USGS nor the United States Government may be held liable for any damages resulting from its authorized or unauthorized use. Although these data have been processed successfully on a computer system at the U.S. Geological Survey, no warranty, expressed or implied is made regarding the display or utility of the data on any other system, or for general or scientific purposes, nor shall the act of distribution constitute such warranty. The U.S. Geological Survey shall not be held liable for improper or incorrect use of the data described and/or contained herein. Although this information product, for the most part, is in the public domain, it also contains copyrighted material as noted in the text. Permission to reproduce copyrighted items for other than personal use must be secured from the copyright owner. Any use of trade, product or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Geological Survey. Standard_Order_Process: Non-digital_Form: Available as one printed sheet. Order from USGS at the address listed above or see for more ordering information. Fees: For current prices of USGS information products, please see Distribution_Information: Distributor: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Address: Address_Type: mailing address Address: USGS EPN Address: Box 25046, MS 902 Address: Denver Federal Center City: Denver State_or_Province: CO Postal_Code: 80225-0046 Contact_Voice_Telephone: (303) 236-5486 Contact_Electronic_Mail_Address: http://ask.usgs.gov Resource_Description: Open-File Report 2011-1111 Distribution_Liability: none. This database, identified as 2011-1111, has been approved for release and publication by the Director of the USGS. Although this database has been subjected to rigorous review and is substantially complete, the USGS reserves the right to revise the data pursuant to further analysis and review. Furthermore, it is released on condition that neither the USGS nor the United States Government may be held liable for any damages resulting from its authorized or unauthorized use. Although these data have been processed successfully on a computer system at the U.S. Geological Survey, no warranty, expressed or implied is made regarding the display or utility of the data on any other system, or for general or scientific purposes, nor shall the act of distribution constitute such warranty. The U.S. Geological Survey shall not be held liable for improper or incorrect use of the data described and/or contained herein. Although this information product, for the most part, is in the public domain, it also contains copyrighted material as noted in the text. Permission to reproduce copyrighted items for other than personal use must be secured from the copyright owner. Any use of trade, product or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Geological Survey. Standard_Order_Process: Digital_Form: Digital_Transfer_Information: Format_Name: ARCE,SHP,GDB Format_Version_Number: 9.3.1 Format_Version_Date: 2009 File_Decompression_Technique In Windows, use WinZip (http://www.winzip.com/) or other programs to extract the file. Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: http://pubs.usgs.gov/of/2011/1111 Fees: none Metadata_Reference_Information: Metadata_Date: 2011 Metadata_Review_Date: 2011 Metadata_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Theodore Brandt Contact_Organization: U.S. Geological Survey Contact_Address: Address_Type: mailing address Address: U.S. Geological Survey Address: MS 980, Box 25046 Denver Federal Center City: Denver State_or_Province: CO Postal_Code: 80225-0046 Contact_Voice_Telephone: 303-236-1901 Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata Metadata_Standard_Version: FGDC-STD-001-1998