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1969 Map of Alamosa Canyon

Name: 1969 Topographic Map of Alamosa Canyon
Creator: U.S. Geological Survey
Published: 1972
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1972

About this map

CA Camp and the nearby CA School anchor the northern landscape of this San Miguel County region, illustrating the self-contained ranching infrastructure common in New Mexico during the late 1960s. The terrain is deeply carved by a network of drainage systems, including Alamosa Canyon and Dog Canyon, where water management is critical to the local economy. An extensive system of livestock watering points—such as Persiliano Windmill, Fowl Windmill, and Pothole Tank—is scattered across the highlands and canyon floors.

Industrial and transport history is visible in the south, where an Old Railroad Grade runs parallel to Atarque Creek. This remnant of previous transportation infrastructure, combined with a modern Landing Strip near Trigg Ranch, shows the transition from rail to air and road-based logistics. The boundary between San Miguel and Harding counties cuts through the rugged canyon lands, separating large holdings like Williams Ranch and defining the jurisdictional layout of the era.