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Results for “IMAP”

Search indexed USGS publications on groundwater, aquifers, geologic maps, mineral resources and earthquakes. Explore source records by subject and place.

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At least 991 records · Page 55Linked to original sources

USGS1989

Map showing exposures of limonitic rocks and hydrothermally altered rocks in the Dillon 1 degree by 2 degrees Quadrangle, Idaho and Montana

Explore the source record for details and available documents.

IMAP↗

USGS1989

Map showing locations of mines and prospects in the Dillon 1° x 2° quadrangle, Idaho and Montana

No abstract available.

Idaho, Montana↗

USGS1990

Map showing mineral resource assessment for silver, cobalt, and base metals in Proterozoic sedimentary rocks and for iron, chromium, nickel, talc, chlorite, gold, and graphite in Archean crystalline rocks, Dillon 1° x 2° quadrangle, Idaho and Montana

No abstract available.

Idaho, Montana↗

USGS1991

Map showing mineral resource assessment for placer gold and silver, Dillon 1 degree by 2 degrees Quadrangle, Idaho and Montana

No abstract available.

IMAP↗

USGS1993

Geologic map of the Dillon 1° x 2° quadrangle, Idaho and Montana

The digital ARC/INFO databases included in this website provide a GIS database for the geologic map of the Dillon 1 degree by 2 degree quadrangle of southwest Montana and east-central Idaho. The geologic map was originally published as U.S. Geological Survey Miscellaneous Investigations Series Map I-1803-H. This website directory contains ARC/INFO format files that can be used to query or display the geology of USGS Map I-1803-H with GIS software.

Montana↗

USGS1993