Postcard with an image of the end of a 16-horse race, titled at the bottom as: "A finish at Juarez, Mex." with the top three winners listed in the lower-left corner: "1st. Cordie, F. 2nd. Hardy 3rd. Singletoe." A note on the back was written from the photographer, Walter H. Horne, to his father in Hallowell, Maine and is postmarked February 27, 1915 at 8:30 a.m in El Paso, Texas.

Photograph of a room under construction in the El Paso post office. It has piles of supplies and tools sprawled around the room. Support columns are holding part of the room up, and they're more finished looking. There is a skylight area and many tall windows on the back wall with light coming through.

Photograph of a construction site, where there are completed concrete walls with slots for windows, concrete bricks on the ground, men working with a concrete maker, a tall steel beam framework, cranes, and buildings in the background.

Photograph of a room under construction in the El Paso post office. The workroom has four archways with wood frames put in place. There are various supplies neatly placed in piles throughout the room, as well as wooden planks. There are a few rectangular shaped door frames besides the arches.

Photograph of a construction site. The walls are partially done, and there are large columns. Several crane arms are sticking up in the air and a hotel is behind the construction site.

Photograph of a room under construction in the El Paso post office. The room has construction supplies laid around the room over unfinished floors. A wooden framework is in the back part of the room behind a man standing near a work bench and support columns.

Photograph of seven DH-4 (De Havilland) airplanes flying over Fort Bliss, Texas. Below the planes, soldiers can be seen walking, riding, and standing as they watch the planes fly by. Military buildings and vehicles are seen scattered below on the ground. The Franklin Mountains are in the background. Information on the back of the photo states that the "Fly-By" over Fort Bliss was done in honor of General John J. Pershing's return to Fort Bliss after his service in World War I. The photo was taken from below the Officer's Club on February 2, 1920.

Photograph of General John J. Pershing sitting atop a white horse and looking toward his five mounted staff members. Soldiers are visible in the background. The reverse side of the photograph states that Pershing was reviewing troops in El Paso, Texas.

Photograph of a group of soldiers standing among two damaged biplanes. The wing of the left plane is bent, while the right plane is tilted downward on its nose.

Photograph of a row of a row of 1st Surveillance Group biplanes at the Air Service Camp in El Paso, Texas. Groups of men in military uniforms are standing around each plane.

Photograph of a biplane that has been tilted forward onto the ground because of its broken wheels. The image of a sphinx appears on the side of the fuselage.

Photograph of a wrecked aircraft in an earthen field. The wings have been separated from the vehicle and lie on nearby.

Photograph of soldiers firing wheeled artillery on an earthen field. Plumes of smoke rise behind the guns and partially obscure distant mountains. A caption on the reverse side of the photo indicates that the firing was a salute to visiting General John J. Pershing.

Photograph of a close view of a biplane radiator and propeller. The wooden propeller is broken, with its left blade completely missing and its right blade missing the tip.