2018 Map of Poston

About this map

Poston and the surrounding Parker Valley are defined by a complex network of agricultural irrigation channels and the nearby Colorado River. This landscape reveals a highly engineered environment where man-made features like the Lateral Number Seventy-nine, Leupp Lateral, and Lateral A Seventy-three distribute water across the arid lowlands. To the northwest, the Riverside Mountains rise sharply, creating a stark geological contrast to the flat valley floor. The map documents the boundary where California and Arizona meet, with a prominent Levee protecting the developed land from the river's path. Grounded in the local history of the region, the road names often reflect cultural influences, such as Tahbo Rd, Navajo Rd, and Polacca Rd, while residential pockets like 50 Homes Rd indicate small-scale settlement patterns in this part of La Paz County.