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1971 Map of Parshall

Name: 1971 Topographic Map of Parshall
Creator: U.S. Geological Survey
Published: 1974
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1974

About this map

The Purgatoire River carves a deep path through this portion of Las Animas County, serving as the primary geographical focus. At Patterson Crossing, the river’s winding course is accompanied by the Lewelling Mc Cormick Ditch, illustrating early water management and irrigation efforts in this arid landscape. The terrain is defined by dramatic elevation changes, culminating in the steep walls of Purgatoire Canyon to the east.

Several ephemeral waterways and tributaries feed into the main river valley, including Frijole Creek, San Francisco Creek, and Sauce Arroyo. Infrastructure for hydrological monitoring is evident near the river with multiple Gaging Sta points and a noted Cable Crossing. This 1971 field check reflects a rural landscape where topographic relief dictates the placement of limited improvements like the Dry Creek drainage and scattered Tanks.