Jefferson City and the neighboring settlement of Corbin occupy the mountain valleys south of the Helena National Forest in this 2014 survey. The landscape is defined by its deep gulches and high peaks, including Gregory Mountain and Valparaiso Mountain. Waterways like Prickly Pear Creek and Clancy Creek provide the primary drainage for the area, dictating the placement of early road networks such as Clancy Creek Road and Corbin Road. The presence of Powder House Road and names like McCauley Flats hint at the region's historic mining and land-use patterns, while higher elevations are marked by landmarks like Windy Butte and Emerson Peak. This modern topographic study preserves the naming conventions of the gulches—such as Browns Gulch and Lump Gulch—that have shaped the geography of Jefferson County for generations.
75 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