
The Purgatoire River, also labeled here as the Picketwire River, serves as the industrial and transit spine for this coal-mining region in the early 1950s. The city of Trinidad dominates the eastern landscape, featuring landmarks like Simpsons Rest, Trinidad State Jr College, and Trinidad High Sch. Along the river valley, a dense network of mining settlements and company infrastructure is visible, including Cokedale, Sopris, and Starkville.
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6 editions found
1891 · Spanish Peaks
USGS Topo · 1:125,000
1892 · Elmoro
USGS Topo · 1:125,000
1893 · Spanish Peaks
USGS Topo · 1:125,000
1893 · Elmoro
USGS Topo · 1:125,000
1895 · Spanish Peaks
USGS Topo · 1:125,000
1897 · Elmoro
USGS Topo · 1:125,000
1897 · Spanish Peaks
USGS Topo · 1:125,000
1900 · Spanish Peaks
USGS Topo · 1:125,000
1951 · Trinidad
USGS Topo · 1:24,000
1951 · Valdez
USGS Topo · 1:24,000