1903
U.S. Lake Survey
1:120k
1879
Rand McNally and Company
1:1m
1997
NOAA-NOS & CHS
1:400k
1967
USSR (Union of Soviet Socialist Republics).
1889
1845
Meyer, Joseph, 1796-1856
1:2m
1924
1:570k
1812
Lay, Amos
1:450k
1918
US NAVY HYDROGRAPHIC OFFICE
1:500k
1940
1:507k
