The Gulf of Mexico completely defines this coastal survey of Kenedy County, Texas. As part of the US Topo series, this sheet represents a maritime segment of the South Texas coastline where the waters of the Gulf dominate the entire quadrangle. The map is a specialized maritime record focused on the open waters off the Texas coast, reflecting the precise coordinates and hydrographic data established by the U.S. Geological Survey in the early twenty-first century. It serves as a specific spatial reference for the deep-water approaches near the Potrero Cortado region, providing a baseline for nautical and environmental researchers tracking this portion of the Gulf.
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This is the sole edition of this map. No revisions or reprints were ever made.
1923 · Lopena Island
USGS Topo · 1:62,500
1950 · Corpus Christi
USGS Topo · 1:250,000
1951 · Potrero Lopeno NW
USGS Topo · 1:24,000
1952 · Potrero Cortado
USGS Topo · 1:24,000
1952 · Yarborough Pass
USGS Topo · 1:24,000
1952 · Potrero Lopeno
USGS Topo · 1:62,500
1953 · Brownsville
USGS Topo · 1:250,000
1955 · Potrero Cortado
USGS Topo · 1:62,500
1956 · Corpus Christi
USGS Topo · 1:250,000
1956 · Brownsville
USGS Topo · 1:250,000