1972
1:24k
1977
1:100k
1958
1:250k
1954
1924
Rand McNally and Company
1:1m
1878
Twining, W.J.
1:507k
1935
C&GS
1:500k
1874
Andreas, A. T. (Alfred Theodore), 1839-1900
1:760k
1899
Walcott, Charles D.
1:511k
Cram, George Franklin