
Great Sand Dunes National Park dominates the eastern landscape of this quadrangle, where the San Luis Valley floor meets the base of the Sangre de Cristo foothills. The shifting topography is defined by intricate contouring and drainage patterns including Sand Cr and Pole Cr, which flow through the protected federal lands. Along the western edge, the Baca National Wildlife Refuge provides a critical riparian habitat, centered around Antelope Springs. The map documents the jurisdictional divide between Saguache and Alamosa Counties, illustrating how these natural resources are managed across political boundaries. The presence of Indian Spring and Big Spring Cr in the southeast suggests the subterranean water levels that sustain this high-altitude desert environment.
12 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1954 · Trinidad
USGS Topo · 1:250,000
1955 · Trinidad
USGS Topo · 1:250,000
1958 · Trinidad
USGS Topo · 1:250,000
1959 · Trinidad
USGS Topo · 1:250,000
1965 · Medano Ranch
USGS Topo · 1:24,000
1965 · Zapata Ranch
USGS Topo · 1:24,000
1967 · Crestone
USGS Topo · 1:24,000
1967 · Crestone Peak
USGS Topo · 1:24,000
1967 · Sheds Camp
USGS Topo · 1:24,000
1967 · Liberty
USGS Topo · 1:24,000