Ketchum Mountain stands as the central landmark in this portion of Irion County, where the high-plains landscape is defined by its seasonal drainage patterns and ranching heritage. The terrain is marked by significant watercourses including South Liveoak Draw, McDowell Draw, and Big Hollow Draw, which illustrate the natural watershed of the region. The presence of the Ketchum Oil Field in the southwest indicates the continued importance of the energy industry in the local economy during the early 21st century.
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This is the sole edition of this map. No revisions or reprints were ever made.
1895 · Sherwood
USGS Topo · 1:125,000
1920 · Barnhart
USGS Topo · 1:62,500
1921 · Ketchum Mountain
USGS Topo · 1:62,500
1922 · Barnhart
USGS Topo · 1:62,500
1923 · Ketchum Mountain
USGS Topo · 1:62,500
1954 · San Angelo
USGS Topo · 1:250,000
1958 · San Angelo
USGS Topo · 1:250,000
1965 · San Angelo
USGS Topo · 1:250,000
1971 · Noelke
USGS Topo · 1:24,000
1971 · Barnhart
USGS Topo · 1:24,000