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Locatable mineral assessment tracts for the U.S. Geological Survey Sagebrush Mineral-Resource Assessment Project

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Carma A. San Juan, John D. Horton, Heather L. Parks, Mark J. Mihalasky, Eric D. Anderson, Mary Ellen Benson, Stephen E. Box, Pamela M. Cossette, Paul D. Denning, Stuart A. Giles, Susan M. Hall, Timothy S. Hayes, Carter B. Hearn, Albert H. Hofstra, David A. John, Stephen Ludington, Karen Lund, Jeffrey L. Mauk, Gilpin R. Robinson Jr., Barnaby W. Rockwell, James J. Rytuba, Steven M. Smith, Lisa Stillings, Bradley S. Van Gosen, Peter G. Vikre, John C. Wallis, Anna B. Wilson, Michael L. Zientek, and Lukas Zurcher, 2016, Locatable mineral assessment tracts for the U.S. Geological Survey Sagebrush Mineral-Resource Assessment Project: .

Summary

The polygon (vector) feature class represents locatable mineral resource assessment tracts (tracts of land) associated with the Department of the Interior (DOI) Sagebrush Focal Areas (SFAs) in Montana, Wyoming and Utah, central Idaho, and the Oregon-Nevada-Idaho border area. The mineral-resources tracts are geographic areas that were assessed by the USGS and were determined to be geologically favorable for a deposit type of interest to a depth of 1 kilometer. Qualitative assessment methods outlined by the Bureau of Land Management (BLM) were used to develop tract boundaries and to assign a level of mineral-resource potential and certainty to each tract. The general process included (1) identifying possible mineral deposit types for [...]

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Type Scheme Key
local-index unknown 70189401
local-pk unknown 70189401
doi http://www.loc.gov/standards/mods/mods-outline-3-5.html#identifier doi:10.5066/F7833Q4R

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languageEnglish

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