Geologic and structure map of the Choteau 1° x 2° quadrangle, western Montana: A digital database

Melville R. Mudge; Robert L. Earhart; James W. Whipple; Jack E. Harrison

doi:10.3133/i1300

Geologic and structure map of the Choteau 1° x 2° quadrangle, western Montana: A digital database

IMAP 1300

By: Melville R. Mudge, Robert L. Earhart, James W. Whipple, and Jack E. Harrison

https://doi.org/10.3133/i1300

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More information: USGS Index Page (html)
Data Release: USGS data release - GIS Data for Geologic and Structure Map of the Choteau 1 x 2 Degree Quadrangle, Western Montana
NGMDB Index Page: National Geologic Map Database Index Page (html)
Superseded Publications:

Geologic map of part of the Choteau 1 degree by 2 degrees Quadrangle, Lewis and Clark, Teton, Powell, Missoula, Lake, Flathead, and Cascade counties, Montana(1978)

Geologic map of the Choteau 1 degree by 2 degrees Quadrangle, Lewis and Clark, Teton, Powell, Missoula, Lake, Hathead, and Cascade counties, Montana(1979)

Hydrocarbon evaluation and structure contour map of part of the Choteau 1° x 2° quadrangle, Lewis and Clark, Teton, Powell, Missoula, Lake, Flathead and Cascade Counties, Montana(1980)

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Abstract

The geologic and structure map of Choteau 1 x 2 degree quadrangle (Mudge and others, 1982) was originally converted to a digital format by Jeff Silkwood (U.S. Forest Service and completed by the U.S. Geological Survey staff and contractor at the Spokane Field Office (WA) in 2000 for input into a geographic information system (GIS). The resulting digital geologic map (GIS) database can be queried in many ways to produce a variey of geologic maps. Digital base map data files (topography, roads, towns, rivers and lakes, etc.) are not included: they may be obtained from a variety of commercial and government sources. This database is not meant to be used or displayed at any scale larger than 1:250,000 (e.g. 1:100,000 or 1:24,000. The digital geologic map graphics and plot files (chot250k.gra/.hp/.eps and chot-map.pdf) that are provided in the digital package are representations of the digital database. They are not designed to be cartographic products.

Suggested Citation

Mudge, M., Earhart, R.L., Whipple, J., Harrison, J.E., 1982, Geologic and structure map of the Choteau 1° x 2° quadrangle, western Montana: A digital database (Digital Database version 1.0): U.S. Geological Survey IMAP 1300, HTML Document, https://doi.org/10.3133/i1300.

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Additional publication details
Publication type	Report
Publication Subtype	USGS Numbered Series
Title	Geologic and structure map of the Choteau 1° x 2° quadrangle, western Montana: A digital database
Series title	IMAP
Series number	1300
DOI	10.3133/i1300
Edition	Digital Database version 1.0
Year Published	1982
Language	English
Publisher	U.S. Geological Survey
Description	HTML Document
Country	United States
State	Montana
Other Geospatial	Choteau 1° x 2° quadrangle
Scale	250000