Border monuments 223, 224, and 225, along the California-Mexico border

Photographs show border monument 223 (+32° 39' 16.31", -115° 38' 9.27"), border monument 224 (+32° 38' 57.48", -115° 42' 19.85"), and border monument 225 (+32° 38' 52.07", -115° 43' 31.61") near Mexicali, which were photographed as part of the United States-Mexico Boundary Survey.

In: Photographic views showing monuments marking the boundary between the United States and Mexico from the Rio Grande to the Pacific Ocean. Taken under the direction of the U.S. Section of the International Boundary Commission, 1892-1894, volume 3.