1932
Snyder, Charles Fisher
1872
Gray, Ormando Willis; Walling, H. F.
1:300k
1878
Cochran, A.B.
1:158k
1951
United States. Air Force
1:500k
1780
1828
Stansbury, A.J.
1:317k
1924
Rand McNally and Company
1:539k
1890
Colton, G.W. & C.B.
1:300k
1936
Rand McNally & Company
1948
Hammond, C.S.
1:585k