U.S. Geological Survey

Colorado Vermiculite Deposits: Mines, Prospects, and Occurrences

By Bradley S. Van Gosen and Alfred L. Bush

U.S. Geological Survey Open-File Report 01-0475

Version 1.0

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Readme PDF file (138 KB)
(This version of the report is accessible as defined in Section 508.)

Spreadsheet of deposits (27 KB>

Spreadsheet of references (22 KB)

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