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	1.	Report to Ohio Water-Supply Board, Columbus, Ohio, on water supply in Medina County. Field investigation and report by David H. Harker, engineer, Ralph J. Bernhagen, geologist. by Ohio. Water Supply Board Harker, David H. (David Hendley), 1901- Bernhagen, Ralph J Material type: Text; Format: print ; Literary form: Not fiction Publication details: [Columbus] 1943 Availability: No items available. Add to cart (remove)
	2.	Record of wells in Montgomery County / compiled by Ralph J. Bernhagen. by Bernhagen, Ralph J. (Ralph John) Ohio. Water Resources Board Series: Ohio. Water Resources Board. Bulletin ; no. 1 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Columbus : Ohio Water Resources Board, 1945 Availability: No items available. Add to cart (remove)
	3.	The water resources of Fayette County / by Ralph J. Bernhagen, Earl E. Sanderson, James W. Cummins. by Bernhagen, Ralph J. (Ralph John) Sanderson, Earl E. (Earl Estey), 1906- Cummins, J. W. (James W.), 1902- Ohio. Water Resources Board Series: Bulletin (Ohio. Division of Water) ; no. 2. Material type: Text; Format: print ; Literary form: Not fiction Publication details: Columbus : Ohio Water Resources Board, 1946 Other title: Water resources of Fayette County, Ohio Availability: No items available. Add to cart (remove)
	4.	Industrial ground-water pumpage in Ohio / by R.J. Bernhagen. by Bernhagen, Ralph J. (Ralph John) Series: Bulletin (Ohio. Division of Water) ; no. 11 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Columbus : Division of Water, 1949 Availability: No items available. Add to cart (remove)

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