1861
Bureau of Topographical Engineers
1:127k
1873
Walling, H. F.
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1818
Madison, Rev. James
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1895
U.S. War Department, Topographical Engineers
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1862
Disturnell, John
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1989
US GS & NOAA
1:250k
1861
L. Prang & Co.
1861
Bachmann, John
1861
J. Wyld
1883
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