1903
U.S. Lake Survey
1:120k
1997
NOAA-NOS & CHS
1:400k
1879
Rand McNally and Company
1:1m
1845
Meyer, Joseph, 1796-1856
1:2m
1967
USSR (Union of Soviet Socialist Republics).
1884
C&GS
1:25k
1918
US NAVY HYDROGRAPHIC OFFICE
1:500k
1889
1834
Town, J.
