1946
NOS Lake Survey Center
1:5k
1906
NOS Lake Survey Center
1:5k
1903
Carr, E.P.
1:63k
1872
Walling, H. F.
1:300k
1926
Cleveland Electric Illuminating Company
1:170k
1833
Taylor, Allen
1:410k
1868
Lloyd, H.H.
1:300k
1952
United States. Air Force
1:500k
1876
Caldwell, J. A. (Joseph A.)
1:400k
1948
United States. Post Office Department
1:318k