
Summerfield
1909
1:63k

Counties of Guernsey, Belmont, Noble, and Monroe
1868
Lloyd, H.H.
1:300k

Athens, Belmont, Fairfield, Guernsey, Hocking, Licking, Monroe, Morgan, Muskingum, Noble, Perry and Washington counties.
1872
Walling, H. F.
1:300k

Counties of Columbiana, Jefferson, Carroll, and Harrison
1868
Lloyd, H.H.
1:300k

Counties of Licking, Muskingum, Fairfield, Perry, and Morgan
1868
Lloyd, H.H.
1:300k

Counties of Wayne, Stark, Tuscarawas, Coshocton, and Holmes
1868
Lloyd, H.H.
1:300k

Greater Pittsburgh Airport : Coraopolis, Pennsylvania : Vicinity map
1951
United States. Air Force
1:500k

A General Map of the River Ohio, Plate the first.
1796
Tardieu, P.F.
1:317k

Various Regions and Cities in Ohio.
1956
Shell Oil Company

Composite: Ohio River (pl. 1-4)
1796
Tardieu, P.F.
1:317k