1879
Mississippi River Commission
1:20k
1858
Persac, A.
1:131k
1879
Mississippi River Commission
1:20k
1876
Mississippi River Commission
1:20k
1861
none
1:127k
1861
New York Herald
1895
United States. War Department
1:634k
1861
1866
U.S. General Land Office
1:1m
1848
Greenleaf, Jeremiah
1:2m