Orographic and Structural Features of Rocky Mountain Geology Richard Charles Hills Published: 1890 Total Pages: 116 Get eBook
Geological Guide-book for an Excursion to the Rocky Mountains Samuel Franklin Emmons Published: 1894 Total Pages: 280 Get eBook
Short Papers in the Geologic and Hydrologic Sciences, Articles 1-146 Published: 1961 Total Pages: 356 Get eBook
Catalogue and Index of Contributions to North American Geology, 1732-1891 Nelson Horatio Darton Published: 1896 Total Pages: 1060 Get eBook
Geology and Ore Deposits of the Monarch and Tomichi Districts, Colorado Ralph Dixon Crawford Published: 1913 Total Pages: 470 Get eBook
