
East Helena and the eastern edge of Helena dominate the northern landscape of this 1985 Montana study. The industrial and transport infrastructure of the era is clearly visible, from the runways of the Helena Regional Airport and the path of the Valley Canal to the Northern Pacific Reservoir. The map reveals the relationship between these urban centers and the surrounding terrain, defined by drainage systems like Prickly Pear Creek and deep canyons such as Holmes Gulch and Clark Gulch.
17 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
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 · 1:62,500
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 · Jefferson City
USGS Topo · 1:62,500