1859
U.S. Lake Survey
1:20k
1891
Walker, O.W.
1:10k
1833
DAVENPORT, Bishop.
1884
Haynes, Tilly
1:73k
1967
USSR (Union of Soviet Socialist Republics).
1:250k
1873
1890
Good, Charles E.
1:57k
1891
Walker, O.W.
1:8k
1874
Gray, Ormando Willis
1874
Johnson, A.J.
1:22k