Geologic map datasets of the Custer and Gallatin National Forests of South-central Montana, in ARC/INFO format: Northern portion

Online link https://geo-nsdi.er.usgs.gov/metadata/open-file/99-450/northern.faq.html
Description The geology of western and northern Gallatin National Forest was mapped in two parts as part of an evaluation of its mineral resource potential by the USGS. Previously, the western part was released as Map A and the northern part as Map B of USGS Geologic
Originators Green, Gregory N.; van Gosen, Bradley S.; Wilson, Anna B.; and Silkwood, Jeffery T.
Publication U.S. Geological Survey Open-File Report 99-450

Related topics

States or counties

Overview of attributes

Data files:
FNT003.E00:  ARC/INFO interchange file that can be used to create the fonts labeling the map units on the geologic map of USGS Geologic Investigations Series Map I-2584, sheet 2
GEOL.KEY:  Text file providing a description of the map units
LOAD.AML:  ARCPLOT command that recreates the database structure of this directory
MAPBAR.AML:  ARCPLOT command that creates the map-scale bar
NORTHERN.AML:  ARCPLOT command that creates the geologic map of USGS Geologic Investigations Series Map I-2584, sheet 2
NORTHERN.BOX:  Text file for the map legend in the description of map units shown on USGS Geologic Investigations Series Map I-2584, sheet 2
NORTHERN.E00:  ARC/INFO interchange file that can be used to create the database for sheet 2 of USGS Geologic Investigations Series Map I-2584
NORTHERN.LIN:  Text file for the explanation of map symbols shown on USGS Geologic Investigations Series Map I-2584, sheet 2
NORTHERN.MET:  Metadata file
NORTHERN.PDF:  "Portable Document Format" file that can be viewed with the free software Adobe Acrobat Reader
PROJECT.TXT:  Text file describing the projection applied to this database
NORTHERN.RTL:  A Hewlett Packard graphics plot file ("Raster Transfer Language") format
N_DECO.E00:  ARC/INFO interchange file that can be used to create the decorations on the line work shown on the geologic map of USGS Geologic Investigations Series Map I-2584, sheet 2
N_TICK.E00:  ARC/INFO interchange file that can be used to create the latitude-longitude tic marks shown on the geologic map of USGS Geologic Investigations Series Map I-2584, sheet 2
SDTS:  NORTHERN.EOO in SDTS (Spatial Data Transfer Standard)

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

NORTHERN.PAT

Geologic map units

Label Definition
LABEL Symbol of map units
P1 numerical representaion of map unit
CALCOMP1 numerical representaion of map unit

NORTHERN.AAT

Linear features on map including contacts, faults, dikes, and borders

Label Definition
LABEL Name of linear features
P1 numerical representaion of linear feature
CARTO numerical representaion of linear feature

NORTHERN.POINT

map units at specific points

Label Definition
LABEL, CALCOMP1, and P1 map unit at specific points (same domains as the polygon coverage NORTHERN.PAT)