Bear River drainage and historical migration corridors dominate this Idaho landscape at the intersection of early pioneer routes. The settlement of Alexander is positioned near the western edge of the Alexander Reservoir, where the waters of the Soda Canal and various springs like Steamboat Spring shape the local hydrology. Traces of western expansion are physically mapped through the alignment of the Oregon Trail and the Hudspeths Cutoff, showing how modern infrastructure like Us-30 E followed these earlier paths. The northern terrain is defined by the Blackfoot Lava Field and the Ninety Percent Range, while the southern portion includes the protected lands of the Cache National Forest. High-elevation landmarks such as Soda Point and Steamboat Hill rise above the Upper Valley, illustrating a complex topography where volcanic geology meets agricultural water management.
47 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.
1914 · Henry
USGS Topo · 1:48,000
1916 · Henry
USGS Topo · 1:62,500
1917 · Portneuf
USGS Topo · 1:62,500
1948 · Bancroft
USGS Topo · 1:62,500
1948 · Soda Springs
USGS Topo · 1:62,500
1949 · Bancroft
USGS Topo · 1:62,500
1949 · Soda Springs
USGS Topo · 1:62,500
1955 · Preston
USGS Topo · 1:250,000
1958 · Preston
USGS Topo · 1:250,000
1962 · Preston
USGS Topo · 1:250,000