Padre Island forms a narrow, shifting barrier between the open waters of the Gulf of Mexico and the shallow, hyper-saline lagoon of the Laguna Madre. This coastal stretch in Kenedy County remains largely defined by its natural topography rather than human development. The 2010 survey highlights the complex, fragmented shoreline along the western edge of the island, where wind and tidal action continuously reshape the sand and mud flats. This environment creates a distinct geographic boundary where the protected waters of the lagoon meet the more turbulent sea, illustrating the dynamic state of the South Texas coastline before more recent environmental changes and storm events altered these fragile barrier systems.
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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
1951 · South of Potrero Lopeno NE
USGS Topo · 1:24,000
1952 · Potrero Lopeno SE
USGS Topo · 1:24,000
1952 · South of Potrero Lopeno NW
USGS Topo · 1:24,000
1952 · South of Potrero Lopeno SE
USGS Topo · 1:24,000
1952 · Port Mansfield
USGS Topo · 1:24,000
1952 · Potrero Lopeno SW
USGS Topo · 1:24,000
1952 · Potrero Lopeno
USGS Topo · 1:62,500
1952 · South of Potrero Lopeno
USGS Topo · 1:62,500
1953 · Brownsville
USGS Topo · 1:250,000