Rock School stands as a primary landmark in this drainage-heavy landscape of Rio Blanco County, situated near the northern confluence of McKee Gulch and Piceance Cr. The terrain is defined by the Piceance Creek Basin, where a complex network of intermittent and perennial streams has carved deep incisions into the plateau. Large gulches like Big Jimmy Gulch, Enoch Gulch, and Little Dry Gulch dictate the local topography, channeling runoff into larger waterways such as Black Sulphur Cr and Hunter Cr. The road network, including Co RD 26 and Co RD 29, follows these natural valley floors, illustrating how the physical geography of northwestern Colorado has historically constrained movement and settlement to the basin's bottomlands.
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This is the sole edition of this map. No revisions or reprints were ever made.
1925 · Parachute Creek
USGS Topo · 1:62,500
1927 · Parachute Creek
USGS Topo · 1:62,500
1929 · Highmore
USGS Topo · 1:62,500
1952 · Wolf Ridge
USGS Topo · 1:24,000
1952 · Yankee Gulch
USGS Topo · 1:24,000
1952 · Rock School
USGS Topo · 1:24,000
1952 · Jessup Gulch
USGS Topo · 1:24,000
1952 · Greasewood Gulch
USGS Topo · 1:24,000
1952 · Square S Ranch
USGS Topo · 1:24,000
1956 · Grand Junction
USGS Topo · 1:250,000