Dry Fork Cr and its northern tributaries define the drainage patterns across this section of Valley County, Montana. The landscape is marked by the distinct passage of the W Fork Porcupine Cr, which cuts through the northeastern and central-eastern portions of the quadrangle. In this rural stretch of the Frazer District, a network of local roads including Sand Rd and Golden Valley Rd provides access to the high plains terrain. This 2017 survey by the U.S. Geological Survey captures the modern configuration of the Public Land Survey System boundaries, specifically within the townships of t33n r39e and t32n r40e. The absence of dense settlements highlights the character of the region as a vast area of range and waterway, where small routes like Eide Rd connect isolated sections of the backcountry.
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This is the sole edition of this map. No revisions or reprints were ever made.
1918 · Porcupine Valley
USGS Topo · 1:62,500
1919 · Boundary
USGS Topo · 1:125,000
1943 · Glasgow
USGS Topo · 1:125,000
1954 · Glasgow
USGS Topo · 1:250,000
1957 · Glasgow
USGS Topo · 1:250,000
1958 · Glasgow
USGS Topo · 1:250,000
1969 · Cornwell Reservoir
USGS Topo · 1:24,000
1969 · Chapman Coulee NE
USGS Topo · 1:24,000
1973 · Baylor
USGS Topo · 1:24,000
1973 · Cameron Point
USGS Topo · 1:24,000