1876
Warner & Beers
1:127k
1915
Brink, John G.
1:36k
1872
Lloyd, H.H.
1:253k
1956
Shell Oil Company
1:206k
1935
Schaeffer, M.B.
1:48k
1871
1870
Campbell, R.A.
1:350k
1940
U.S. Dept. of Agriculture Bureau of Soils
1:63k
1912
Rand McNally and Company
1:380k
1896
1:224k
