Publisher: Mines Bureau / Publish Year Decade: 1940 - 1949 - Blacklight Search Results

Start Over Publisher Mines Bureau Publish Year Decade 1940 - 1949

3941. Tin; by E. W. Pehrson and John B. Umhau.

Corporate/Agency Authors:: Mines Bureau and Interior Department
Publisher:: Mines Bureau
Date:: 1940
SuDoc number:: I 28.37/a:T 49/940

3942. Wawona tunnel. Safety factors in construction and ventilation, Wawona vehicular tunnel, Yosemite National Park, Calif.; by S. H. Ash.

Corporate/Agency Authors:: Mines Bureau and Interior Department
Publisher:: Mines Bureau
Date:: 1940
SuDoc number:: I 28.7:608

3943. Zinc; by E. W. Pehrson.

Corporate/Agency Authors:: Mines Bureau and Interior Department
Publisher:: Mines Bureau
Date:: 1940
SuDoc number:: I 28.37/a:Z 66/940

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