
Texas Creek and Eighteenmile Creek define the drainage patterns of this Lemhi County landscape in the late 1980s, where water management is central to the local economy. The presence of Texas Ditch and multiple Fish Hatcheries near Purcell Spring suggests a highly managed aquatic environment, likely supporting regional wildlife or agricultural efforts. On the eastern slopes of Center Ridge, a small Cem stands as a marker of the area's residency, while an Old Railroad Grade traces a path through the valley, indicating former industrial connectivity that had shifted by the time of this survey. This portion of the Salmon National Forest is also marked by numerous Prospects, showing the legacy of mineral exploration that historically shaped these Idaho mountains alongside reliable water sources like Cold Spring and Nez Perce Spring.
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This is the sole edition of this map. No revisions or reprints were ever made.
1955 · Dubois
USGS Topo · 1:250,000
1956 · Leadore
USGS Topo · 1:62,500
1956 · Morrison Lake
USGS Topo · 1:62,500
1956 · Nicholia
USGS Topo · 1:62,500
1957 · Gilmore
USGS Topo · 1:62,500
1958 · Dubois
USGS Topo · 1:250,000
1980 · Leadore
USGS Topo · 1:100,000
1987 · Gilmore
USGS Topo · 1:24,000
1987 · West of Leadore
USGS Topo · 1:24,000
1987 · Gilmore Summit
USGS Topo · 1:24,000