Annual report of the nonmetals division :fiscal year 1938

Additional Authors: Ralston, Oliver C.
Year: 1938
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number: 3427
Subjects: Nonmetals
Nonmetallic minerals
Link: https://hdl.handle.net/2027/mdp.39015078492462

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