Map of public surveys in Colorado Territory to accompany report of the Sur'r. Gen'l.

Map shows the railroads, counties, and "parks," "Guide Meridian," public land survey grid, and Indian reservations. Map references: to developed gold region, silver region, copper region, iron region, coal region [and] gulch diggings. "Remarks: Dotted lines for proposed surveys. S.-Townships to be sectionised." Relief shown by hachures. Scale [1:1,140,480].
Date: 1866
Creator: United States. General Land Office.
System: The Portal to Texas History

Map of Kansas, Nebraska and Colorado : showing also the southern portion of Dacotah

Map shows counties, railroads, major roads, areas of Native American habitation, military posts, towns, Overland mail route, and notable physical features. Scale [ca. 1:4,200,000].
Date: 1866
Creator: Mitchell, S. Augustus, Jr. (Samuel Augustus)
System: The Portal to Texas History