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Primary view of Valley Spring Quadrangle
Geological Survey (U.S.)
1957
Primary view of Cherokee Quadrangle
Geological Survey (U.S.)
1957
Primary view of Tow Quadrangle
Geological Survey (U.S.)
1949
Primary view of Tow Quadrangle
Geological Survey (U.S.)
1932
Primary view of Marble Falls Quadrangle
Geological Survey (U.S.)
1949
Primary view of Marble Falls Quadrangle
Geological Survey (U.S.)
1929
Primary view of Marble Falls Quadrangle
Geological Survey (U.S.)
1932
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