1904
Hague, Arnold
1:125k
1992
Little, David
1871
Hergesheimer, E.
1:650k
1889
Cram, George
1:380k
1912
Washington : U.S. Geological Survey
1880
Mitchell, Samuel Augustus
1:2m
1900
U.S. General Land Office
1:760k
1882
Cram, George Franklin
1:2m
1900
U.S. General Land Office
1:760k
1889
Cram, George
1:1m