Small mines, prospecting, exploration, development
Subtitle: small mines, costs, [August 1971]
Series: Technical note / Bureau of Land Management, U.S. Department of the Interior -- 127; BLM technical note -- 127; Technical note (United States. Bureau of Land Management) -- 127.; BLM technical note -- 127.
Publisher: U.S. Department of the Interior, Bureau of Land Management, Portland Service Center
Published: 1971
Place of publication: Portland, Or
Language: eng
Subjects: Mines and mineral resources; Mineral industries; Mine valuation; Bibliography; Cost of operation; Records and correspondence; United States. Bureau of Land Management; United States
Other titles: Small mines, prospecting, exploration, development :
Description: Selected bibliography of resources pertaining to running small mines, some include information on operating costs. Supplement to June 1970 Technical Note on the same subject (TN 124).
Notes: Caption title.

"Filing code: 3800."

"Date issued: August 1971."

"Mailing list 2."

"TN 127"--Assumed.