Mt Pennell dominates this portion of the Henry Mountains, serving as a central high point in a landscape defined by dramatic elevation changes and a complex drainage system. The terrain radiates from this peak into a series of deep cuts, including Corral Canyon and Pipe Spring Canyon. To the west, the expansive Tarantula Mesa provides a stark contrast to the sharp spine of Bulldog Ridge. The water network is particularly intricate here, with Bullfrog Creek winding through the northwest and the Pennell Creek Roughs marking the southeastern descent. This USGS survey documents the topographic layout of these distinct geological formations, from the isolation of No Man Mesa to the headwaters of Coyote Creek and Straight Creek, illustrating the natural barriers that have shaped movement through this part of Garfield County.
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This is the sole edition of this map. No revisions or reprints were ever made.
1885 · San Rafael
USGS Topo · 1:250,000
1886 · Henry Mountains
USGS Topo · 1:250,000
1892 · Henry Mountains
USGS Topo · 1:250,000
1952 · Mt Pennell 1 SW
USGS Topo · 1:24,000
1952 · Mount Ellen 4 SW
USGS Topo · 1:24,000
1952 · Mt Pennell 2 NE
USGS Topo · 1:24,000
1952 · Mt Hillers
USGS Topo · 1:62,500
1952 · Mt Pennell 1 NW
USGS Topo · 1:24,000
1952 · Bull Mountain
USGS Topo · 1:62,500
1953 · Mt Pennell
USGS Topo · 1:62,500