1917
C&GS
1:40k
1910
Clason
1914
Department of the Interior
1:500k
1859
Ravenstein, E. G.
1:2m
1924
Rand McNally and Company
1:950k
1927
National Map Company
1:2m
1885
Page, H.R. & Co.
1:1m
1906
Piper, Charles V.
1:890k
1879
Rand McNally and Company
1:2m
1901
Murray-Aaron, Eugene, 1852-1941.
1:1m