Plat of the 'two Laredos' (Laredo, Texas and New Laredo, Mexico) from January 1881. The map appears to be a cadastral map with numbered (and lettered) lots in both cities, likely showing ownership. Some streets are labeled as well as Fort McIntosh (noted as a "U.S. Military Reservation") in Laredo and the Campo de Marte in Nuevo Laredo.

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.

Postcard featuring a photograph of the front of Hotel Iturbide on Calle Zaragoza in Monterrey, Mexico with mountains in the background as well as people and automobiles in the street. It was sent to Rochester, Minnesota with this handwritten text: "Sun. P. M. Dear Matt: arrived here yesterday (Saty.) leaving right now, the weather has been unusually cold. Laredo, on the border, had 2" snow the Mexican kids sure were having fun with it. So long, Mel"