1875
1:1
1903
U.S. Lake Survey
1:120k
1851
SMITH, William Henry of Toronto
1851
SMITH, William Henry of Toronto
1999
NOAA-NOS & CHS
1:400k
1997
NOAA-NOS & CHS
1:400k
1991
NOAA-NOS & CHS
1:400k
1990
NOAA-NOS & CHS
1:400k
1987
NOAA-NOS & CHS
1:400k
1984
NOAA-NOS & CHS
1:400k