1894
J.H. Stuart & Co.
1:218k
1885
George N. Colby & Co.
1905
U. S. Geological Survey
1:63k
1877
C&GS
1:80k
1966
O'Brien, Emmett J
1:222k
1858
U.S. Lake Survey
1:30k
1853
Bache, A. D.
1:200k
1:190k
