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Primary view of Austin
United States
1976
Primary view of Ardmore
Geological Survey (U.S.)
1963
Primary view of Perryton
Geological Survey (U.S.)
1977
Primary view of Eagle Pass
Geological Survey (U.S.)
1969
Primary view of Laredo
United States. Army. Corps of Engineers.
1968
Primary view of Mc Allen
United States. Army. Corps of Engineers.
1954
Primary view of Tyler
United States. Army. Corps of Engineers.
1984
Primary view of Sonora
Geological Survey (U.S.)
1958
Primary view of Big Spring
United States. Army. Corps of Engineers.
1967
Primary view of Dallas
Geological Survey (U.S.)
1963
Primary view of Dallas
Geological Survey (U.S.)
1975
Primary view of Austin
United States
1976
Primary view of Waco
Geological Survey (U.S.)
1964
Primary view of Waco
Geological Survey (U.S.)
1955
Primary view of Ardmore
Geological Survey (U.S.)
1968
Primary view of El Paso
Geological Survey (U.S.)
1975
Primary view of Lubbock
United States
1976
Primary view of Del Rio
Geological Survey (U.S.)
1970
Primary view of Lake Charles
United States. Army.
1952
Primary view of Corpus Christi
United States. Army. Corps of Engineers.
1960
Primary view of Clovis
Geological Survey (U.S.)
1980
Primary view of Lake Charles
United States. Army.
1975
Primary view of Emory Peak
Geological Survey (U.S.)
1978
Primary view of Lubbock
United States. Army. Corps of Engineers.
1973
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