Glacial Map of North America; Part 2 Bibliography and Explanatory Notes Richard Foster Flint Published: 1945 Total Pages: 46 Get eBook
Bibliography and Index of Geology Exclusive of North America Geological Society of America Published: 1958 Total Pages: 848 Get eBook
Land Resource Regions and Major Land Resource Areas of the United States (exclusive of Alaska and Hawaii) Morris E. Austin Published: 1965 Total Pages: 94 Get eBook
American Geographical Society Research Series American Geographical Society of New York Published: 1947 Total Pages: 360 Get eBook
Geological Survey Professional Paper Geological Survey (U.S.) Published: 1976 Total Pages: 394 Get eBook
