
Coal mining and mountain ranching define this high-altitude landscape in the Purgatoire River valley. The Allen Mine dominates the industrial footprint along the Middle Fork, supported by a dedicated Substa and extensive mine dumps that mark the valley floor. Small residential clusters like Vigil and Parras Plaza are tied to the river's path, where the San Isidro Ch and a nearby Cem serve as the focal points for local genealogy and settlement history.
45 named features on this map. Tap any name to fly to it.
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3 editions found
1891 · Spanish Peaks
USGS Topo · 1:125,000
1893 · Spanish Peaks
USGS Topo · 1:125,000
1895 · Spanish Peaks
USGS Topo · 1:125,000
1897 · Spanish Peaks
USGS Topo · 1:125,000
1900 · Spanish Peaks
USGS Topo · 1:125,000
1954 · Trinidad
USGS Topo · 1:250,000
1955 · Trinidad
USGS Topo · 1:250,000
1958 · Trinidad
USGS Topo · 1:250,000
1959 · Trinidad
USGS Topo · 1:250,000
1967 · Cucharas Pass
USGS Topo · 1:24,000