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Primary view of Tynan Quadrangle
Geological Survey (U.S.)
1979
Primary view of Sinton East Quadrangle
Geological Survey (U.S.)
1979
Primary view of Sinton East Quadrangle
Geological Survey (U.S.)
1979
Primary view of Sinton West Quadrangle
Geological Survey (U.S.)
1979
Primary view of Woodsboro Quadrangle
Geological Survey (U.S.)
1978
Primary view of Cranell Quadrangle
Geological Survey (U.S.)
1979
Primary view of Rincon Bend Quadrangle
Geological Survey (U.S.)
1987
Primary view of Papalote Quadrangle
Geological Survey (U.S.)
1979
Primary view of West Sinton Quadrangle
Geological Survey (U.S.)
1979
Primary view of Bullshead Creek Quadrangle
Geological Survey (U.S.)
1979
Primary view of Bayside Quadrangle
Geological Survey (U.S.)
1995
Primary view of Edroy Quadrangle
Geological Survey (U.S.)
1977
Primary view of Edroy Quadrangle
Geological Survey (U.S.)
1972
Primary view of Gregory Quadrangle
Geological Survey (U.S.)
1972
Primary view of San Patricio Quadrangle
Geological Survey (U.S.)
1995
Primary view of Taft Quadrangle
Geological Survey (U.S.)
1977
Primary view of Gregory Quadrangle
Geological Survey (U.S.)
1977
Primary view of Gregory Quadrangle
Geological Survey (U.S.)
1977
Primary view of Taft Quadrangle
Geological Survey (U.S.)
1972
Primary view of Odem Quadrangle
Geological Survey (U.S.)
1977
Primary view of Odem Quadrangle
Geological Survey (U.S.)
1972
Primary view of Gregory Quadrangle
Geological Survey (U.S.)
1977
Primary view of Dinero Quadrangle
Geological Survey (U.S.)
1979
Primary view of Port Ingleside Quadrangle
Geological Survey (U.S.)
1977
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