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	1.	Report to Ohio Water-supply board, Columbus, Ohio, on water supply in Summit county. David H. Harker, chief of staff. by Ohio. Water Supply Board Harker, David H. (David Hendley), 1901- Material type: Text; Format: print ; Literary form: Not fiction Publication details: [Columbus] 1944 Availability: No items available. Add to cart (remove)
	2.	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)
	3.	Report to Ohio Water-supply board, Columbus, Ohio, on water supply in Wood County. David H. Harker, chief of staff. by Ohio. Water Supply Board Harker, David H. (David Hendley), 1901- Material type: Text; Format: print ; Literary form: Not fiction Publication details: [Columbus] 1945 Availability: No items available. Add to cart (remove)
	4.	Report to Ohio Water supply board ... on water supply in Fulton County. David H. Harker, chief of staff. by Ohio. Water Supply Board Harker, David H. (David Hendley), 1901- Material type: Text; Format: print ; Literary form: Not fiction Publication details: [Columbus] 1945 Availability: No items available. Add to cart (remove)

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