1997
NOAA-NOS & CHS
1:400k
1813
Melish, John
1:634k
1889
Rand McNally and Company
1:1m
1816
Bringhurst, William
1968
U.S. Lake Survey
1:500k
1815
Melish, John
1:634k
1974
NOS Lake Survey Center
1:80k
1924
Rand McNally and Company
1:570k
1812
Lay, Amos
1:444k
1812
Lay, Amos
1:450k