The Bear River meanders through the eastern corridor of this Franklin and Caribou county borderland, sustaining the agricultural life of the Gentile Valley and Gem Valley. This 2013 topographic study highlights a landscape of significant elevation changes, where the peaks of the Portneuf Range descend into the carved drainages of Left Fork Mill Canyon and Right Fork Mill Canyon. The reliance on water management is evident in the Gentile Valley Canal, a vital piece of infrastructure that follows the river's path to support local ranching and farming operations.
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This is the sole edition of this map. No revisions or reprints were ever made.
1915 · Preston
USGS Topo · 1:96,000
1918 · Preston
USGS Topo · 1:125,000
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
1969 · Treasureton
USGS Topo · 1:24,000