The confluence of three major South Texas waterways—the Frio River, the Atascosa River, and the Nueces River—defines this landscape near the settlement of Three Rivers. Just west of the town center, the Three Rivers Dam manages the flow near Sinclair Lake and Yarbrough Lake. This area of Live Oak County shows a complex network of ranch and county roads, including Co Rd 403 and FM 1042, which connect smaller locales like Ike and industrial features such as the Oakville-Wilcox Gas Field. The presence of the Beefmasters Best Airport and several named topographic features like Sinclair Hollow and Live Oak Hollow reflects the regional reliance on aviation and ranching. The map illustrates how human infrastructure, from the grid of Three Rivers to isolated petroleum operations, has integrated into the delta-like environment formed by these converging river systems.
38 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.
1920 · Mikeska
USGS Topo · 1:125,000
1925 · Oakville No. 4
USGS Topo · 1:48,000
1925 · Simmons No. 1
USGS Topo · 1:48,000
1927 · Oakville
USGS Topo · 1:62,500
1929 · Simmons
USGS Topo · 1:62,500
1930 · Whitsett
USGS Topo · 1:62,500
1942 · Whitsett
USGS Topo · 1:62,500
1953 · Crystal City
USGS Topo · 1:250,000
1955 · Crystal City
USGS Topo · 1:250,000
1956 · Suniland
USGS Topo · 1:62,500