
The Big Hole River winds through this section of Deer Lodge Co and Beaverhead Co, illustrating a landscape defined by water management and high-altitude terrain. The map documents an intricate network of irrigation features, including Nichols Ditch, Ampo Toomey Ditch, and Seefield Ditch, which redirect snowmelt from the Pioneer Mountains to support the valley's land use.
33 named features on this map. Tap any name to fly to it.
Don’t see what you’re looking for? This feature index may not catch every label — zoom into the map to look around manually.
This is the sole edition of this map. No revisions or reprints were ever made.
1955 · Dillon
USGS Topo · 1:250,000
1957 · Dillon
USGS Topo · 1:250,000
1958 · Dillon
USGS Topo · 1:250,000
1962 · Dillon
USGS Topo · 1:250,000
1962 · Lower Seymour Lake
USGS Topo · 1:24,000
1962 · Mud Lake
USGS Topo · 1:24,000
1962 · Pine Hill
USGS Topo · 1:24,000
1962 · Foolhen Mountain
USGS Topo · 1:24,000
1962 · Pintlar Lake
USGS Topo · 1:24,000
1962 · Proposal Rock
USGS Topo · 1:24,000