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Primary view of Port Aransas Quadrangle
Geological Survey (U.S.)
1956
Primary view of Stowell Quadrangle
United States. Army. Corps of Engineers.
1956
Primary view of New Fountain Quadrangle
United States. Army. Corps of Engineers.
1956
Primary view of Mouth Of Rio Grande Quadrangle
Geological Survey (U.S.)
1956
Primary view of Mouth Of Rio Grande Quadrangle
Geological Survey (U.S.)
1956
Primary view of Sabinal Quadrangle
United States. Army. Corps of Engineers.
1956
Primary view of Frio Town Quadrangle
United States. Army. Corps of Engineers.
1956
Primary view of Vidaurri Quadrangle
Geological Survey (U.S.)
1956
Primary view of Benavides Quadrangle
Geological Survey (U.S.)
1956
Primary view of Freer Quadrangle
United States. Army. Corps of Engineers.
1956
Primary view of Coryell Quadrangle
Geological Survey (U.S.)
1956
Primary view of Jonesboro Quadrangle
Geological Survey (U.S.)
1956
Primary view of Ohio Quadrangle
Geological Survey (U.S.)
1956
Primary view of Schattel Quadrangle
United States. Army. Corps of Engineers.
1956
Primary view of Woodward Quadrangle
United States. Army. Corps of Engineers.
1956
Primary view of Ater Quadrangle
Geological Survey (U.S.)
1956
Primary view of Refugio Quadrangle
Geological Survey (U.S.)
1956
Primary view of Laredo East Quadrangle
United States. Army. Corps of Engineers.
1956
Primary view of Primrose Quadrangle
United States. Army. Corps of Engineers.
1956
Primary view of Dilley Quadrangle
United States. Army. Corps of Engineers.
1956
Primary view of Milano Quadrangle
United States. Army. Corps of Engineers.
1956
Primary view of San Ygnacio Quadrangle
United States. Army. Corps of Engineers.
1956
Primary view of Estes Quadrangle
Geological Survey (U.S.)
1956
Primary view of Wilson Lake Quadrangle
Geological Survey (U.S.)
1956
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