Historical news
Map of the Month: February 2022
Our February Map of the Month is an early edition of this map of “Oregon, Upper California, and New Mexico” published in 1849. It depicts the western United States shortly after the 1848 Treaty of Guadalupe was signed, showing the new border and territories gained by the United States after the Mexi...
Map of the Month: April 2021
Our April Map of the Month is this 1909 Linguistic Map of Mexico and Central America by Cyrus Thomas and J.R. Swanton. It displays the geographic distribution of a variety of Mesoamerican languages and dialects throughout Mexico and Central America. ...
New Map Collection and Index: Poor’s Railroad and Utilities Maps
The index for our new digital image collection, the Poor’s Railroad and Utilities Maps collection, is available to the public here. Poor’s Railroad and Utilities Map, Midwest to Northeast Region magnified The Poor’s Railroad a...
New Map Collection and Index: Strip Maps of Central Phoenix
The index of our latest digital image collection, Strip Maps of Central Phoenix, is now available to the public in this interactive web map. Geographic Coverage: Phoenix, Arizona, United States Time Range: 1929 Cartographic Scale: 1:1,200; 1:1,800 Physical Availability: in-house use only Digit...