Geologic map datasets of the Custer and Gallatin National Forests of South-central Montana, in ARC/INFO format: Absaroka-Beartooth study area

Online link https://geo-nsdi.er.usgs.gov/metadata/open-file/99-450/absaroka.faq.html
Description The digital ARC/INFO databases included in this directory provide a geologic map GIS database of the Absaroka-Beartooth study area (ABSA), a tract of approximately 1.4 million acres of National Forest land in southwestern Montana. The ABSA is adjacent to
Originators Green, Gregory N.; van Gosen, Bradley S.; Wilson, Anna B.; and Silkwood, Jeffery T.
Publication U.S. Geological Survey Open-File Report OFR 99-450

Related topics

States or counties

Overview of attributes

>ABSAROKA.AML:  ARCPLOT command that creates the geologic map of USGS
>Open-File Report 93-207, plate 1.
>ABSAROKA.E00:  ARC/INFO interchange file that can be used to create
>the database for plate 1 of USGS Open-File Report 93-207
>ABSAROKA.MET:  Metadata file
>ABSAROKA.PDF:  "Portable Document Format" file that can be viewed
>with the free software Adobe Acrobat Reader (must use version 4.0 or
>higher of Acrobat Reader due to the large size of the map).
>ABSAROKA.RTL:  A Hewlett Packard graphics plot file ("Raster
>Transfer Language") format
>COMMENTS.TXT:  Comments by Jeffrey T. Silkwood regarding this
>database in his letter accompanying transfer of the data to the USGS
>DIKES.E00:  ARC/INFO interchange file that can be used to create the
>dikes shown on the geologic map of USGS Open-File Report 93-207,
>plate 1
>FAULTS.E00:  ARC/INFO interchange file that can be used to create
>the faults shown on the geologic map of USGS Open-File Report
>93-207, plate 1
>FNT003.E00:  ARC/INFO interchange file that can be used to create
>the fonts labeling the map units on the geologic map of USGS
>Open-File Report 93-207, plate 1
>GEOL.KEY:  Text file providing a description of the map units
>GEOL_SYM.E00:  ARC/INFO interchange file that can be used to create
>the map symbols shown on the geologic map of USGS Open-File Report
>93-207, plate 1 (supplied by Jeffrey T. Silkwood)
>LOAD.AML:  ARCPLOT command that recreates the database structure of
>this directory
>MAPBAR.AML:  ARCPLOT command that creates the map-scale bar
>PROJECT.TXT:  Text file describing the projection applied to this
>database
>\SDTS:  ABSAROKA.EOO in SDTS (Spatial Data Transfer Standard)

More information can be found in the file readme.txt which can be downloaded with the digital database.

ABSAROKA.PAT

geologic map units of the Absarokas and Beartooth study areas

Label Definition
NEW and NEW_LOW NEW: Corrected attribute from original (1993) map. NEW_LOW: Map unit symbol includes lower case letters.
IGDS-LAYER.PAT Map unit symbol as found in original (1993) map. (same domains as the attribute NEW_LOW excpet all in upper case)
SYMBOL numerical value for geologic map units

ABSAROKA.AAT

Contacts and faults in the Absaroka and Beartooth study areas

Label Definition
IGDS-LAYER and NEW IGDS-LAYER: contacts and faults as found in original (1993) map NEW: contacts and faults as found in this (1999) map

ABSAROKA.POINT

Geologic map unit for individual samples

Label Definition
IGDS-LAYER, IDGS-LAYER_LOW, NEW, SYMBOL, and NEW_LOW same as ABSAROKA.PAT

DIKES.AAT

Dikes represented by lines which should be polygons, but units too narrow to plot as polys at this scale.

Label Definition
IGDS-LAYER and SYMBOL same as ABSAROKA.PAT

FAULTS.AAT

a line coverage of thrust and normal faults

Label Definition
IGDS-LAYER and NEW same as ABSAROKA.AAT