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1966 Map of Irish Canyon

Name: 1966 Topographic Map of Irish Canyon
Creator: U.S. Geological Survey
Published: 1969
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1969

About this map

Irish Canyon and the massive landform of Cold Spring Ridge Mountain dominate this mid-1960s landscape in northwestern Colorado. The terrain is defined by the winding course of Vermillion Creek, which cuts through the high desert geology alongside its seasonal counterpart, Dry Creek. Human presence is sparse on this rugged terrain, anchored primarily by the Ink Springs Ranch and a lone Gravel Pit indicative of local material extraction.

Water sources like the Irish Lakes provide rare landmarks in an area of high elevation, where peaks like Blue Hill rise above the surrounding canyons. The map preserves the specific road alignments and ranching boundaries of Moffat County just as aerial photogrammetry was becoming the standard for precise U.S. Geological Survey mapping, capturing a snapshot of this remote corridor before modern development or changes in land use.