Grenzdenkmäler 183, 184 und 185 entlang der Grenze zwischen Arizona und Mexiko

Photographs show border monument 183 (+32° 8' 33.93", -113° 39' 53.40"), border monument 184 (+32° 9' 20.96", -113° 42' 24.25"), and border monument 185 (+32° 10' 10.96", -113° 45' 4.86") near the Reserva de Biosfera El Pinacate y Gran Desierto, 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.