Contributions to Economic Geology (short Papers and Preliminary Reports), 1927 Gerald Francis Loughlin Published: 1927 Total Pages: 826 Get eBook
Minerals, Lands, and Geology for the Common Defense and General Welfare Geological Survey (U.S.) Published: 1986 Total Pages: 502 Get eBook
Minerals, Lands, and Geology for the Common Defence and General Welfare: 1904-1939 Mary C. Rabbitt Published: 1979 Total Pages: 504 Get eBook
Bibliography of Aeronautics. Pt. 1-50 United States. Work Projects Administration Published: 1936 Total Pages: 218 Get eBook