"A Geological Map of Ohio",
Period: 1909 (dated)
Publication: Geological Survey of Ohio
Color: Printed Color
29.9 x 32.4 inches
75.9 x 82.3 cm
This large and colorful geological map of Ohio is drawn on a scale of eight miles to the inch with a legend at bottom depicting 11 geological types in different colors. The map also shows nice detail of railroads, canals, mines and the important oil and gas region in northwestern Ohio. Drawn by J.A. Bownocker, State Geologist and Professor of Geology at Ohio State University.
Attractive color with numerous splits at fold intersections, a few faint spots, and very light toning.