Thompson Creek Mine and Argo Mine anchor the resource-rich landscape of this Montana quadrangle, reflecting a history of mineral extraction among the deeply incised drainages of Lewis and Clark County. The terrain is defined by a complex network of gulches, including Never Sweat Gulch, Kilgallon Gulch, and Gabish Gulch, which feed into primary watercourses such as Magpie Creek and Avalanche Creek.
32 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1886 · Fort Logan
USGS Topo · 1:250,000
1948 · White Sulphur Springs
USGS Topo · 1:250,000
1950 · Canyon Ferry
USGS Topo · 1:62,500
1958 · White Sulphur Springs
USGS Topo · 1:250,000
1961 · White Sulphur Springs
USGS Topo · 1:250,000
1962 · Hogback Mountain
USGS Topo · 1:24,000
1962 · Snedaker Basin
USGS Topo · 1:24,000
1965 · White Sulphur Springs
USGS Topo · 1:250,000
1966 · Diamond City
USGS Topo · 1:24,000
1966 · Lingshire
USGS Topo · 1:24,000