From W. boundary of Missouri to mouth of Trap Creek.
1861|Gunnison, J.W.1:760 320
Iowa.
1874|Gray, Ormando Willis1:937 000
A Chronological History of the Civil War in America, illustrated with A. I. Johnson's and I. H. Colton's Steelplate Maps and Plans of the Southern States and Harbors
1863|FISHER, Richard Swainson.
Iowa.
1856|Colton, G.W.1:1 440 000
Township Map Of The State Of Iowa
1851|Henn, Williams & Co.1:760 000
A New Map of the State of Iowa : Published by Charles Desilver. 35
