New Mexico news
Map of the Month: September 2022
Our September Map of the Month is this mid-1800s map exploring the feasibility of constructing a trans-continental railroad route through Arizona. The full title is “Explorations and Surveys for a Rail Road Route from the Mississippi River to the Pacific Ocean, Route Near the 35th Parallel, Map No. ...
New Web App: Western North America Vegetation and Locust Map
Our latest web app, Western North America Vegetation and Locust Map, is now live and available to the public. Map of a Portion of Western North America Showing the Distribution of Vegetation with Reference to the Multiplication of and Means o...