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621. Sand and gravel resources of Butler County, Ohio

Maps The Ohio State University Public content
1986. Struble, Richard A. Includes references. Relief shown by contour lines and spot heights. Includes text, 3 tables, location map, and water-well logs. by Richard A. Stru... Ohio. Division of Geological Survey.

622. Second Degree-Surface Residual-Height Map, Canton OH/Clarksburg WV

Maps The Ohio State University Public content
1980. Struble, Richard A. Base map: USGS Cleveland, Ohio; Pa., U.S., Ont., Can. (4th ed. 1972 rev.) "Areal density of photo linears occurring within a 5000 meter square grid... Ohio. Division of Geological Survey.

623. Second-Degree Trend-Surface Map, Canton OH/Clarksburg WV

Maps The Ohio State University Public content
1980. Struble, Richard A. "Areal density of photo linears occurring within a 5000 meter square grid." Base map: USGS Cleveland, Ohio; Pa., U.S., Ont., Can. (4th ed. 1972 rev... Ohio. Division of Geological Survey.

624. Second-Degree Trend-Surface Map, Cleveland OH/Huntington WV

Maps The Ohio State University Public content
1980. Struble, Richard A. Base map: USGS Cleveland, Ohio; Pa., U.S., Ont., Can. (4th ed. 1972 rev.) "Areal density of photo linears occurring within a 5000 meter square grid... Ohio. Division of Geological Survey.

625. Second-Degree Trend-Surface Map, Columbus/Marion OH

Maps The Ohio State University Public content
1980. Struble, Richard A. Base map: USGS Cleveland, Ohio; Pa., U.S., Ont., Can. (4th ed. 1972 rev.) "Areal density of photo linears occurring within a 5000 meter square grid... Ohio. Division of Geological Survey.

626. Second-Degree Trend-Surface Map, Toledo OH

Maps The Ohio State University Public content
1980. Struble, Richard A. "Areal density of photo linears occurring within a 5000 meter square grid." Base map: USGS Cleveland, Ohio; Pa., U.S., Ont., Can. (4th ed. 1972 rev... Ohio. Division of Geological Survey.

628. Second-Degree-Surface Residual-Height Map, Columbus/Marion OH

Maps The Ohio State University Public content
1980. Struble, Richard A. Title assigned by cataloguer. prepared ... by Richard A. Struble and David A. Hodges. "Areal density of photo linears occurring within a 5000 meter... Ohio. Division of Geological Survey.

629. Second-Degree-Surface Residual-Height Map, Toledo OH

Maps The Ohio State University Public content
1980. Struble, Richard A. Title assigned by cataloguer. prepared ... by Richard A. Struble and David A. Hodges. "Areal density of photo linears occurring within a 5000 meter... Ohio. Division of Geological Survey.

630. Seneca County

Maps The Ohio State University Public content
1919. Cowen, Clinton. Scale approximately 1:126,720. 1 in. = 2 miles. Scale approximately 1:88,000. 1 in. = 4 miles. "Copyright 1919 by Clinton Cowen, State Highway Comm... Printing Commission of Ohio.