Location: California-Mexico Border
Source: USGS Earthshots
These images show the different land use patterns of El Centro, California, and the urban area of Mexicali/Calexico on the California-Mexico border. From 1970 to 1990, these cities’ populations grew by the following amounts:
El Centro: 19,272 to 31,384 (63%)
Calexico: 10,625 to 18,633 (76%)
Mexicali: 459,900 to 712,400 (55%)

Landsat Goes to the Library
Landsat made a solid showing at the annual ALA conference (considered “the world’s biggest library event”) in Washington, D.C. this month.