Padre Island forms the primary terrestrial feature of this maritime-focused survey, appearing as a narrow strip of land along the western edge of the quadrangle. The map is dominated by the Gulf of Mexico, providing a precise 2010 coordinate grid of the offshore waters east of the Kenedy County coast. While this specific quadrangle lacks the concentrated landmarks of inland sheets, its value lies in its depiction of the barrier island's edge and the open sea before any major coastal shifts or modern development altered the immediate shoreline. The proximity to the Gulf waters and the orientation of the island's eastern face are documented with high accuracy by the U.S. Geological Survey during this period.
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This is the sole edition of this map. No revisions or reprints were ever made.
1950 · Corpus Christi
USGS Topo · 1:250,000
1951 · South Bird Island SE
USGS Topo · 1:24,000
1951 · Point Of Rocks
USGS Topo · 1:24,000
1951 · South Bird Island
USGS Topo · 1:62,500
1952 · Potrero Cortado
USGS Topo · 1:24,000
1952 · Yarborough Pass
USGS Topo · 1:24,000
1955 · Potrero Cortado
USGS Topo · 1:62,500
1956 · Corpus Christi
USGS Topo · 1:250,000
1960 · Corpus Christi
USGS Topo · 1:250,000
1966 · Corpus Christi
USGS Topo · 1:250,000