New Publications of the Geological Survey Geological Survey (U.S.) Published: 1991 Total Pages: 746 Get eBook
Geology Along the Southern Margin of the Absaroka Range, Wyoming John David Love Published: 1939 Total Pages: 162 Get eBook
Technical Paper - Bureau of Mines United States. Bureau of Mines Published: 1920 Total Pages: 1862 Get eBook
Metal-mine Accidents in the United States William Waugh Adams Published: 1922 Total Pages: 100 Get eBook