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1971 Map of Trinchera Pass, 1974 Print
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1971 Map of Trinchera Pass

USGS Topo · Published 1974

About this map

The high mesa country of the Colorado-New Mexico border stands at the center of this 1971 field-checked survey. Stretching across the county lines of Las Animas and Colfax counties, the landscape is defined by the massive Kelleher Mesa and Chavez Mesa, separated by the strategic crossing at Trinchera Pass. Historical footprints are preserved in the form of the Pacheco Cem and another smaller Cem near the center of the sheet, likely representing early settlement efforts in this arid territory. The drainage system of Trinchera Creek and Arroyo Salazar feeds toward the southern boundary, where the Dry Cimarron River passes near the Folsom State Monument. Numerous cattle-related features like the Border Ditch and various unnamed Jeep Trails suggest a mid-century economy built on ranching and livestock management across this remote interstate borderland.

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Map Details

Date Portrayed1971
Date Published1974
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22.1 x 27.1 inches

Editions of this 1971 Trinchera Pass Map

This is the sole edition of this map. No revisions or reprints were ever made.

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain