Circular 930–O
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Werner, A.B.T., Sinclair, W.D., and Amey, E.B., 2014, International strategic mineral issues summary report—Tungsten (ver. 1.1, November 2014): U.S. Geological Survey Circular 930–O, 74 p., https://pubs.usgs.gov/circ/0930/o/. [Supersedes version 1.0 published in 1998; revisions in 2014 by John H. DeYoung, Jr., and Kim B. Shedd.]
ISSN 2330-5703 (online)
Preface
Abstract
Part 1—Overview
Part 2—Selected Inventory Information on Tungsten Deposits and Districts
References Cited
Additional References on Tungsten Resources
Revision History for Circular 930–O