1902
U.S. Geological Survey
1:250k
1938
Manning, Reginald W. (1905-1989)
1873
Wheeler, G.M.
1:507k
1924
Birdseye, C.H.; Burchard, R.W. ; U.S. Geological Survey
1:32k
1876
Wheeler, G.M.
1:507k
1872
Wheeler, G.M.
1:507k
1876
Wheeler, G.M.
1:507k
1939
Winters, Raymond
1951
United States. Air Force
1:500k
1985
Coney, Peter
1:435k