Stratigraphic Sections of the Phosphoria Formation in Montana, 1949-50 R. P. Sheldon Published: 1949 Total Pages: 526 Get eBook
Stratigraphic Sections of the Phosphoria Formation in Utah, 1949-51 Published: 1953 Total Pages: 46 Get eBook
Stratigraphic Sections of the Phosphoria Formation in Idaho, 1947-48, Part 1 V. E. McKelvey Published: Total Pages: 106 Get eBook
Geological Survey Professional Paper Geological Survey (U.S.) Published: 1968 Total Pages: 302 Get eBook
Water Resources of the Pittsburgh Area, Pennsylvania Max Noecker Published: 1954 Total Pages: 334 Get eBook
