
Dewey Lake and a series of smaller catchment basins and alkaline playas characterize this mid-1960s landscape in Glasscock County. The terrain is defined by a network of drainage channels, including Mustang Draw, Johnson Draw, and Meyers Draw, which emphasize the arid hydrology of the region. Local infrastructure is sparse, dominated by utility lines and various watering points such as Bluebell Tank and Big Tank, which supported the livestock operations of the era. Settlement is minimal, with Powell Ranch serving as one of the few named residential sites. The presence of several Gravel Pits and various drill holes reflects the early industrial footprint of mineral and petroleum exploration. Tracing the fine red dashed lines on the sheet reveals historical fence lines, offering a precise view of property boundaries and ranching divisions during the transition to modern land management.
16 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.
1941 · Morita
USGS Topo · 1:62,500
1949 · Morita
USGS Topo · 1:62,500
1954 · Big Spring
USGS Topo · 1:250,000
1954 · San Angelo
USGS Topo · 1:250,000
1958 · San Angelo
USGS Topo · 1:250,000
1958 · Big Spring
USGS Topo · 1:250,000
1964 · Dewey Lake NE
USGS Topo · 1:24,000
1965 · San Angelo
USGS Topo · 1:250,000
1965 · Spraberry
USGS Topo · 1:24,000
1965 · Dewey Lake SE
USGS Topo · 1:24,000