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	1.	Fluorspar deposits of Kentucky, with notes on the production, mining and technology of the mineral in the United States, also some data concerning barite deposits, by F. Julius Fohs. by Fohs, Ferdinand Julius, 1884- Series: Kentucky. Geological survey, 1904-1912. Bulletin ; no. 9 Material type: Text; Format: print ; Literary form: Not fiction Publication details: 1907 Availability: No items available. Add to cart (remove)
	2.	Coals of the region drained by the quicksand creeks in Breathitt, Floyd, and Knott counties, by F. Julius Fohs. Field work done in 1910. by Fohs, Ferdinand Julius, 1884- Series: Kentucky. Geological survey. Bulletin ; no. 18 Material type: Text; Format: print ; Literary form: Not fiction Publication details: [Louisville] Printed by the Interstate publishing co., 1912 Availability: No items available. Add to cart (remove)

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