Map shows geological composition of Four Corners Region; boundaries of Indian reservations; national forests and monuments; water resources, mines, quarries, roads, trails, railroads, cities, towns, pueblos, and notable geological formations. Includes legend and key to map symbols. Relief shown by hachures. Scale [ca. 1:500,000].
Map shows Native American reservation boundaries, pueblos, numbered wells, mining activity, roads, trails, buildings, county lines, township grid, water resources, national parks, monuments, and forests, and other notable features; routes of exploration before 1909. Relief shown by hachures and spot heights. Scale [ca. 1:500,000].
This dialog allows you to filter your current search.
Each of the U.S. States listed note their name and the number of records that will be limited down to if you choose that option.