Manganese resources of the Olympic Peninsula, Washington
Subtitle: a preliminary report
By: by Charles F. Park, Jr.
Series: Geological Survey bulletin -- 931-R; Strategic minerals investigations
Publisher: U.S. Govt. Print. Off.
Published: 1942
Place of publication: Washington
Language: eng
Number of pages: 457
Subjects: Manganese ores -- Washington (State) -- Olympic Peninsula.; Geology -- Washington (State) -- Olympic Peninsula.; Mines and mineral resources -- Washington (State) -- Olympic Peninsula.; Ore deposits -- Washington (State) -- Olympic Peninsula.; Prospecting -- Washington (State) -- Olympic Peninsula.; Manganese mines and mining -- Washington (State) -- Olympic Peninsula.; Silicate minerals -- Washington (State) -- Olympic Peninsula.
Notes: Two folded plates in pocket (plates 69 and 71).

Includes bibliographical references.