The San Luis Hills and Piñon Hills dominate this high-desert landscape in southern Colorado, revealing a complex network of agricultural water management. The irrigation infrastructure is particularly dense in the northern and western reaches, where the Conejos River and Rio San Antonio feed a system of man-made waterways including E-Bend Ditch, Rincon Ditch, and Eightmile Ditch. These diversions reflect the long-standing reliance on surface water to sustain ranching and farming in the arid San Luis Valley. To the northeast, the Lasauses Cem stands near the Lasauses Ditch, serving as a silent marker of the area's early settlement history. Modern connectivity is maintained via routes such as Co RD V and Main St, while the John James Trail winds through John James Canyon toward Emory Orr Spring, marking a path through the more secluded southern terrain.
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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 · Lasauses
USGS Topo · 1:24,000
1967 · Manassa NE
USGS Topo · 1:24,000
1967 · Manassa
USGS Topo · 1:24,000
1967 · Lobatos
USGS Topo · 1:24,000
1967 · Sky Valley Ranch
USGS Topo · 1:24,000
1967 · Kiowa Hill
USGS Topo · 1:24,000