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	1.	Fluorspar resources of New Mexico, by Howard E. Rothrock, C. H. Johnson, and A. D. Hahn. by Rothrock, Howard Eugene, 1895- Johnson, Charles Harvey, 1898- Hahn, Abner Decker, 1898- Material type: Text; Format: print ; Literary form: Not fiction Publication details: Socorro, 1946 Availability: No items available. Add to cart (remove)
	2.	Geology and coal resources of the northeast part of the Coosa coal field, St. Clair County, Alabama. Prepared by the United States Geological Survey in cooperation with the Geological Survey of Alabama. by Rothrock, Howard Eugene, 1893- Material type: Text; Format: print ; Literary form: Not fiction Publication details: [University] University of Alabama, 1949 Availability: No items available. Add to cart (remove)

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