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.
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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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
2003. Ohio. Division of Geological Survey. Relief shown by shading and gradient tints. Map of geologic regions, with text, on verso. Scale 1:2,000,000. Ohio. Division of Geological Survey.
1987. Risser, Michele. Relief shown by contour lines and spot heights. Includes references. Scale 1:63,360 Includes text, 2 tables, and location map. by Michele L. Risser... Ohio. Division of Geological Survey.
1987. Hull, Dennis N. 1948-. Relief shown by contour lines and spot heights. Includes text, bibliography, index and location map. by Dennis N. Hull. Scale approximately 1:63,36... Ohio. Division of Geological Survey.