Merna serves as the focal point for this section of Sublette County, situated where the high plains meet the eastern fringes of the Bridger National Forest. The landscape is defined by its complex drainage systems and rising elevations, featuring prominent landmarks such as Merna Butte and the elongated Beaver Ridge. Transport routes like Daniel Merna Rd and Cottonwood Merna Rd provide the primary connectivity through this ranching-oriented terrain. The surveyor’s meticulous detailing of ephemeral and perennial water sources—including Horse Cr, N Horse Cr, and Lead Cr—illustrates the critical importance of water rights and irrigation in this high-altitude environment. Between the ridges, wide expanses like Haines Flat and named depressions such as Horse Pasture Draw and Brodie Draw suggest a long history of local grazing and land management.
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This is the sole edition of this map. No revisions or reprints were ever made.
1907 · Gros Ventre
USGS Topo · 1:125,000
1910 · Gros Ventre
USGS Topo · 1:125,000
1939 · Big Piney
USGS Topo · 1:125,000
1942 · Big Piney
USGS Topo · 1:125,000
1955 · Driggs
USGS Topo · 1:250,000
1955 · Preston
USGS Topo · 1:250,000
1958 · Driggs
USGS Topo · 1:250,000
1958 · Preston
USGS Topo · 1:250,000
1962 · Driggs
USGS Topo · 1:250,000
1962 · Preston
USGS Topo · 1:250,000