
Lobo Valley dominates the western portion of this Jeff Davis County landscape, where the flat basin floor meets the rising elevations of the Y-Six Hills. The terrain is defined by a network of drainage features and water catchments essential for ranching in this arid environment, including Dagger Tank and the neighboring Old Chalk Hill Tank and New Chalk Hill Tank. In the southeastern corner, the rugged topography of Dowman Canyon provides a sharp contrast to the valley floor. The path of Tally Slough meanders across the lower elevations, while N Main St serves as a primary transit corridor through the southern reaches. This modern survey reflects the enduring spatial organization of West Texas ranch lands, where named tanks and natural landforms remain the primary landmarks for navigation and land management.
9 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.
1892 · Chispa
USGS Topo · 1:125,000
1894 · Valentine
USGS Topo · 1:125,000
1895 · Chispa
USGS Topo · 1:125,000
1897 · Valentine
USGS Topo · 1:125,000
1897 · Chispa
USGS Topo · 1:125,000
1943 · Valentine
USGS Topo · 1:125,000
1959 · Marfa
USGS Topo · 1:250,000
1965 · Marfa
USGS Topo · 1:250,000
1972 · Chispa
USGS Topo · 1:24,000
1972 · Chispa Mountain
USGS Topo · 1:24,000