
The Blackfoot Valley Conservation Area dominates this section of Powell County, where the landscape is defined by an intricate network of mountain drainages. Water management is a central feature of the local geography, notably the presence of the Number Five Ditch and numerous springs like 12N12W11BBDG01-Spring. These features, alongside McElwain Creek and Douglas Creek, suggest a history of water rights and ranching infrastructure within the valley.
25 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.
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
1919 · Drummond
USGS Topo · 1:125,000
1921 · Drummond
USGS Topo · 1:125,000
1947 · Butte
USGS Topo · 1:250,000
1958 · Butte
USGS Topo · 1:250,000
1958 · Drummond
USGS Topo · 1:62,500
1958 · Garrison
USGS Topo · 1:62,500