Nickel deposit near Riddle, Douglas County, Oregon / by William T. Pecora and S. Warren Hobbs.
- Physical Description: 1 online resource (iii, 205-226 pages, 37-38 pages of plates) : illustrations (some color), maps.
- Publisher: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1942.
- Distributor: Washington : United States Government Printing Office
|General Note:|| Title from title screen (viewed July 10, 2014).
|Bibliography, etc. Note:|| Includes bibliographical references.
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Nickel ores >
Mines and mineral resources > Oregon > Douglas County.
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- Bulletin / United States Department of the Interior, Geological Survey ; 931-I
- Strategic minerals investigations ; 1941
- Bulletin (Geological Survey (U.S.)) ; no. 931-I.
- Strategic minerals investigations ; 1941.