Description: Map shows Illinois counties, major roads, township grid, existing towns, marshlands, and mining activity during the early nineteenth century. Includes text describing township grid system. Inset: Map of the lead mine region, east of the Mississippi River. Scale [ca. 1:1,350,000] and [ ca. 1:1,000,000].
Creator: Young, J. H. (James Hamilton)
Partner: University of Texas at Arlington Library