| 1. ||A new map of Illinois : with its proposed canals, roads & distances from place to place along the stage & steam boat routes. ||Illinois; Maps; Steamboats; Lead mines and mining ||1 map : col.; Relief shown pictorially.; Prime meridian: Washington.; Includes table of steam boat routes.; Insets: Lead region.; Copyright entered by H.N. Burroughs.; Detached from an atlas, no. 31.