Walker, Alfred C.by Alfred C. Walker ; cartography, David S. Orr.Includes location map.Scale 1:62,500Relief shown by contours and spot heights."Total copies printed: 500."TIFFhttps://hdl.handle.net/1811/9b0d582a-0652-42d0-bdb3-8e3c21da0106engOhio. Department of Natural ResourcesPublicWater-supplyGroundwaterGround-water resources of Hamilton CountyMapsOhio--Hamilton CountyOhioThe Ohio State University