
Louisville and Clasoil sit along the primary transport corridor in this high-plains landscape, where the valley floor meets the rising elevations of the Spokane Hills. The map documents a transition from the engineered water management of the Helena Valley Canal in the north to the protected timberlands of the Helena National Forest in the south. Local industry and education are represented by the Economy Mine and the Spokane Creek School, indicating a settled rural community. The complex topography is defined by numerous drainage systems including Mitchell Gulch, Corral Creek, and Deep Gulch, which carve through the terrain near prominent landmarks like Little Butte. This 2001 revision illustrates the convergence of three counties—Lewis and Clark, Jefferson, and Broadwater—within a landscape shaped by both natural resource extraction and modern infrastructure like the prominent Pipeline.
22 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
1899 · Helena
USGS Topo · 1:62,500
1948 · White Sulphur Springs
USGS Topo · 1:250,000
1950 · Canyon Ferry
USGS Topo · 1:62,500
1950 · Townsend
USGS Topo · 1:62,500
1950 · East Helena
USGS Topo · 1:62,500
1950 · Clancy
USGS Topo · 1:62,500
1958 · White Sulphur Springs
USGS Topo · 1:250,000
1961 · White Sulphur Springs
USGS Topo · 1:250,000
1965 · White Sulphur Springs
USGS Topo · 1:250,000