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Primary view of Whirlwind Spring Quadrangle
Geological Survey (U.S.)
1991
Primary view of Santiago Peak Quadrangle
Geological Survey (U.S.)
1991
Primary view of Mosquito Point Quadrangle
Geological Survey (U.S.)
1991
Primary view of Palacios Southeast Quadrangle
Geological Survey (U.S.)
1991
Primary view of Grapevine Hills Quadrangle
Geological Survey (U.S.)
1991
Primary view of San Saba Quadrangle
Geological Survey (U.S.)
1991
Primary view of Purdy Hill Quadrangle
Geological Survey (U.S.)
1991
Primary view of Monte Christo Quadrangle
Geological Survey (U.S.)
1991
Primary view of Sugarloaf Mountain Quadrangle
Geological Survey (U.S.)
1991
Primary view of Los Garzas Quadrangle
Geological Survey (U.S.)
1991
Primary view of Harrold Quadrangle
Geological Survey (U.S.)
1991
Primary view of Packsaddle Mountain Quadrangle
Geological Survey (U.S.)
1991
Primary view of Hope Pond Quadrangle
Geological Survey (U.S.)
1991
Primary view of White Hills Quadrangle
Geological Survey (U.S.)
1991
Primary view of Guadalupe Pass Quadrangle
Geological Survey (U.S.)
1991
Primary view of Long Island Quadrangle
Geological Survey (U.S.)
1991
Primary view of Sargent Quadrangle
Geological Survey (U.S.)
1991
Primary view of Los Ebanos Northwest Quadrangle
Geological Survey (U.S.)
1991
Primary view of Hebbronville Northwest Quadrangle
Geological Survey (U.S.)
1991
Primary view of Live Oak Quadrangle
Geological Survey (U.S.)
1991
Primary view of Spencer Draw Quadrangle
Geological Survey (U.S.)
1991
Primary view of San Angelo North Quadrangle
Geological Survey (U.S.)
1991
Primary view of Sherman Northwest Quadrangle
Geological Survey (U.S.)
1991
Primary view of San Perlita South Quadrangle
Geological Survey (U.S.)
1991
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