
Possum Spring and the headwaters of Indian Creek characterize this high-country landscape in Edwards County during the early 1970s. The topography is defined by deep incisions from drainage systems like Little Hackberry Draw and Possum Creek, where water access was a primary driver for human presence. The sparse settlement pattern is evidenced by an isolated Ranch and scattered infrastructure, including a Well and a Gravel Pit. Transport across this dissected terrain relies on a network of unpaved paths and a Jeep Trail, illustrating the remote nature of the Edwards Plateau before extensive modern development. This survey, compiled from 1970 aerial photography, documents the functional relationship between livestock ranching and the area's scarce water resources.
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This is the sole edition of this map. No revisions or reprints were ever made.
1893 · Rock Springs
USGS Topo · 1:125,000
1893 · Nueces
USGS Topo · 1:125,000
1896 · Nueces
USGS Topo · 1:125,000
1944 · Indian Creek
USGS Topo · 1:62,500
1947 · Hackberry
USGS Topo · 1:62,500
1954 · Sonora
USGS Topo · 1:250,000
1958 · Sonora
USGS Topo · 1:250,000
1958 · Del Rio
USGS Topo · 1:250,000
1964 · Del Rio
USGS Topo · 1:250,000
1971 · Ray Lake SE
USGS Topo · 1:24,000