MapColton's county & township rail road map of Ohio, Indiana, & Michigan, with parts of adjoining states & Canada; printed by Lang & Laing, 1859. Detailed township and county map of the midwestern states showing drainage, cities and towns, and the railroad network.
- Contributor: Colton, G. Woolworth (George Woolworth) - Colton, G. Woolworth
- Date: 1860
MapIndiana, Illinois, Missouri & Iowa with parts of adjoining states. Scale 1:1,267,200; 20 statute miles to an in. Hand colored. Shows railroads and indicates mileage between stations and state, county, and township boundaries. LC Railroad maps, 121 Available also through the Library of Congress Web site as a raster image. AACR2: 100; 650/1; 700
- Contributor: Colton, G. Woolworth (George Woolworth) - Blanchard, Rufus - Colton, G. Woolworth
- Date: 1858