Mining properties in Oregon that were involved in the DMA, DMEA, or OME mineral exploration programs, 1950-1974
By: by Thor H. Kiilsgaard
Contributors: Geological Survey (U.S.)
Series: Open-file report -- 98-464; U.S. Geological Survey open-file report -- 98-464
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
Published: 1998
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Number of pages: 28
Subjects: Mines and mineral resources -- Oregon
Notes: Shipping list no.: 99-0518-M

One map on folded leaf laid in

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1999?] 2 microfiches : negative