
Soda Springs serves as the industrial and hydraulic hub of this Idaho landscape, where the Bear River is controlled by the Alexander Reservoir at the western edge of town. The area’s mineral wealth is evident in the sprawling Phosphate Plant and the mining community of Conda to the northeast. Beyond the rail lines of the Union Pacific, the geography is defined by a series of significant thermal and mineral waters, including Hooper Spring, Mammoth Spring, and the unique geological features of Formation Spring and Formation Cave. The eastern portion of the map climbs into the Aspen Range, revealing the site of the Idaho Sulphur Mine and Dewey Sulphur Mine tucked into Sulphur Canyon. This combination of heavy industry, rail transport, and diverse water sources highlights the complex economic and natural history of the Caribou County region.
32 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.
1911 · Slug Creek
USGS Topo · 1:62,500
1914 · Henry
USGS Topo · 1:48,000
1915 · Lanes Creek
USGS Topo · 1:62,500
1916 · Henry
USGS Topo · 1:62,500
1948 · Soda Springs
USGS Topo · 1:62,500
1949 · Soda Springs
USGS Topo · 1:62,500
1949 · Johnson Creek
USGS Topo · 1:24,000
1949 · Lower Valley
USGS Topo · 1:24,000
1951 · Lower Valley
USGS Topo · 1:24,000
1951 · Johnson Creek
USGS Topo · 1:24,000