1968. Ohio. Division of Geological Survey. Scale 1:500,000. Coordinates: W 84⁰52ʹ--W 80⁰30ʹ/N 42⁰--N 38⁰22ʹ Includes tables of "Oil pipe lines," "Gas storage areas," and "Gas pipe lines." "A... Ohio. Division of Geological Survey.
Search Results
1968. United States. Civil Aeronautics Board. Office of the Secretary. North Decimal Degree 90.000000. South Decimal Degree -90.0000. East Decimal Degree... [Washington, D.C.] : [s.n.], 1968.
1968. United States. Civil Aeronautics Board. Office of the Secretary. North Decimal Degree 64.8377778. South Decimal Degree -56.0167. East Decimal Degre... [Washington, D.C.] : [s.n.], 1968.




