
Marysville serves as the primary focal point of this late-1960s survey, situated among the steep gulches and mountains of Lewis and Clark County. The landscape reflects a legacy of extraction, evidenced by the Empire Mine and Big Ox Mine, along with various Prospects scattered across the high terrain of Edward Mountain and Trinity Hill. Downstream from these workings, the presence of Dredge Tailings along Little Prickly Pear Creek speaks to the heavy industrial transformation of the local waterways during earlier gold rushes.
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1889 · Helena
USGS Topo · 1:250,000
1893 · Helena
USGS Topo · 1:250,000
1899 · Helena
USGS Topo · 1:250,000
1903 · Helena
USGS Topo · 1:250,000
1947 · Butte
USGS Topo · 1:250,000
1950 · Helena
USGS Topo · 1:62,500
1958 · Butte
USGS Topo · 1:250,000
1959 · Elliston
USGS Topo · 1:62,500
1960 · Butte
USGS Topo · 1:250,000
1962 · Butte
USGS Topo · 1:250,000