Geologic map of the Dillon 1 x 2 degree quadrangle, Idaho and Montana
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下载链接：
https://cmr.earthdata.nasa.gov/search/concepts/C2231551047-CEOS_EXTRA.html
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资源简介：
This GIS database was prepared to provide digital geologic coverage for the
Dillon 1 degree by 2 degree quadrangle of southwest Montana and east-central
Idaho.
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 orginally 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.
("http://pubs.usgs.gov/imap/1993/i-1803-h/")
提供机构：
CEOS_EXTRA
