Geophysical Abstracts, 152 January-March 1953 Mary C. Rabbitt Published: 1953 Total Pages: 72 Get eBook
General and Engineering Geology of the Wray Area, Colorado and Nebraska Dorothy Rachel Hill Published: 1953 Total Pages: 454 Get eBook
Publications of the Geological Survey, 1879-1961 Geological Survey (U.S.) Published: 1964 Total Pages: 526 Get eBook