Prospecting in Washington.
Contributors: Washington (State). Division of Mines and Geology.
Series: Information circular -- no. 31; Information circular (Washington (State). Division of Mines and Geology) -- no. 31.
Publisher: State Printing Plant
Published: 1959
Place of publication: Olympia, Wash
Language: eng
Number of pages: 26
Subjects: Prospecting -- Washington (State)