Sectional map of the state of Iowa, compiled from the United States surveys also exhibiting the internal improvements, distances between towns & villages, lines of projected rail roads &c. &c.; drawn and published by Guy H. Carleton, Dep. Sur. U.S.
Carleton, Guy H.
cartographic
Dubuque, Iowa,
1850.
eng
Detailed township and county map showing drainage, cities and towns, roads, and railroads.
Scale 1:570,240.
LC also has 1854 edition.
LC Railroad maps,
Description derived from published bibliography.
Iowa--Maps.
United States
Available also through the Library of Congress Web site as a raster image.
http://hdl.loc.gov/loc.gmd/g4150.rr002160