
Penasco Amarillo rises as a central landmark in this high-altitude landscape within t29n r5e, where water management and dramatic geology define the terrain. The northern reaches are dominated by the Brazos Cliffs and the narrow passage of the Brazos Box, with the Rio Brazos carving through the canyons. Evidence of early settlement and irrigation is visible in the Ensenada Ditch, which draws from the local hydrology to support the area's agricultural needs.
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This is the sole edition of this map. No revisions or reprints were ever made.
1918 · Tusas
USGS Topo · 1:125,000
1954 · Aztec
USGS Topo · 1:250,000
1955 · Chama
USGS Topo · 1:62,500
1955 · Cebolla
USGS Topo · 1:62,500
1955 · Brazos Peak
USGS Topo · 1:62,500
1955 · Tierra Amarilla
USGS Topo · 1:62,500
1958 · Aztec
USGS Topo · 1:250,000
1962 · Aztec
USGS Topo · 1:250,000
1965 · Aztec
USGS Topo · 1:250,000
1981 · Chama
USGS Topo · 1:100,000