Parts of southern Colorado and northern New Mexico: atlas sheet no. 70(A)
Description:
Map shows late nineteenth century settlements, roads, railroads, and routes of military expeditions in southern Colorado and northern New Mexico. Includes key to geological composition. Relief shown by hachures and spot heights. Scale [1:253,440].
Date:
1881
Creator:
Geological Survey (U.S.)
Partner:
University of Texas at Arlington Library