Tacoma Park and the surrounding drainages of the Deerlodge National Forest characterize this part of Jefferson County. The landscape is defined by an intricate network of deep gulches, including Clarke Gulch, Stull Gulch, and Horse Gulch, which feed into the primary waterways of Elkhorn Cr and the Boulder River. Evidence of early water management and irrigation is visible through the presence of the Murphy Ditch and Carey Ditch near Boulder Valley. These features, combined with high-altitude water sources like Tacoma Spring and Deadman Spring, highlight the importance of water rights and resource extraction in this Montana territory. The road network, including Elkhorn Rd and the Tramway Rd, suggests historical routes used for movement through the steep terrain and timberlands during the early 21st century.
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1886 · Fort Logan
USGS Topo · 1:250,000
1889 · Helena
USGS Topo · 1:250,000
1893 · Helena
USGS Topo · 1:250,000
1899 · Boulder
USGS Topo · 1:125,000
1899 · Helena
USGS Topo · 1:250,000
1903 · Helena
USGS Topo · 1:250,000
1947 · Butte
USGS Topo · 1:250,000
1948 · White Sulphur Springs
USGS Topo · 1:250,000
1950 · Devils Fence
USGS Topo · 1:62,500
1950 · Jefferson City
USGS Topo · 1:62,500