Reproduction of a hand-drawn map showing routes the U. S. troops took into Mexico on the expedition of 1916 led by General John J. Pershing. Notes the pack train and wagon train routes as well as infantry routes, and the Expedition headquarters at Dublan Mexico.

Reproduction of a hand-drawn map showing the border area between Texas and Mexico from El Paso, Texas (left) to Van Horn, Texas (right). Several towns, forts, roads, and geographic features are marked primarily on the Texas side of the map. A note in the bottom-left corner of the map says "Where the Rio Grande becomes the U.S. & Mexico boundary, and flows towards the Big Bend District. It makes 1,260 miles of the international border. Much of the early history of the south-west was made along the Rio Bravo (Rio Grande) by the Spaniards. Their route was through "El Paso del Norte" the Pass of the North. This section of the border was very active during the "Border Trouble Days" of 1916 to 1920."

Reproduction of a hand-drawn map showing trading posts on the Rio Grande River from El Paso to Eagle Pass, Texas. It includes two lists: "Trading Posts on the Texas Side of the Big Bend in 1916-30" and "Settlements in the Juarez Area." It also has notes near the bottom of the map that say "The trade area was an 80 mile radius from the Rio Grande. Several days travel by burro or horse. Most towns or villages shown were in the news during the border trouble days" and "Most of this part of Mexico and the Big Bend Country is rough mountains.

Shows area of Mexico covered by the Expedition, lists places used as U. S. headquarters, gives details of battles fought with Villistas and Carrancistas by cavalry units commanded by Colonel Dodd and Major Robert L. Howze, lists bases of the First Aero Squadron commanded by Captain B. D. Foulois.