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.", Includes location maps., Title assigned by cataloguer., prepared ... by Richard A. Struble and David A. Hodges., Scale 1:250,000 ; Transverse Mercator projection, Depths shown by bathymetric isolines.
Creator
Struble, Richard A.
Publisher
Ohio. Division of Geological Survey
Subject
Geology, Structural, Joints (Geology)
Date Issued
1980
Rights
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