EarthWorks Geospatial Catalog

Mining claim activity on federal land in the United States [electronic resource] / by J. Douglas Causey.

Description
Title from disc label. Main text as a 31 page PDF file ; metadata as a ASCII text file ; and data package from all 16 states in a Zip file.
Publisher
U.S. Geological Survey
Year
2007
Held by
MIT
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