Coals of the North Fork of Kentucky River in Perry and Portions of Breathitt and Knott Counties James Michael Hodge Published: 1918 Total Pages: 448 Get eBook
Water Resources Data for Virginia Geological Survey (U.S.). Water Resources Division Published: 1979 Total Pages: 942 Get eBook
Report of the Minister of Mines British Columbia. Department of Mines Published: 1913 Total Pages: 958 Get eBook
Annual Report of the Minister of Mines for the Year Ending ... British Columbia. Department of Mines Published: 1914 Total Pages: 574 Get eBook
Sessional Papers, British Columbia British Columbia. Legislative Assembly Published: 1914 Total Pages: 1546 Get eBook