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- catalog contributor b9623689.
- catalog contributor b9623690.
- catalog coverage "Pottsville Formation (Ohio) Maps.".
- catalog created "1973.".
- catalog date "1973".
- catalog date "1973.".
- catalog dateCopyrighted "1973.".
- catalog extent "10 maps on 2 sheets, :".
- catalog isPartOf "Hydrologic investigations atlas ; HA-494".
- catalog issued "1973".
- catalog issued "1973.".
- catalog language "eng".
- catalog publisher "Reston, Va., U.S. Geological Survey,".
- catalog spatial "Ohio Pottsville Formation".
- catalog spatial "Pottsville Formation (Ohio) Maps.".
- catalog spatial "Scale 1:250,000 (W 82⁰--W 80⁰30'/N 42⁰--N 40⁰30')".
- catalog spatial "Scale 1:500,000 (W 82⁰--W 80⁰30'/N 42⁰--N 40⁰30')".
- catalog spatial "a 250000 W0820000 W0803000 N0420000 N0403000".
- catalog spatial "a 500000 W0820000 W0803000 N0420000 N0403000".
- catalog subject "Aquifers Ohio Pottsville Formation Maps.".
- catalog subject "Groundwater Ohio Pottsville Formation Maps.".
- catalog title "Hydrogeology of the Pottsville formation in northeastern Ohio, by Alan C. Sedam.".
- catalog type "image".