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Primary view of Cave Spring Quadrangle
Geological Survey (U.S.)
1987
Primary view of Cave Spring Quadrangle
Geological Survey (U.S.)
1988
Primary view of Hulldale Quadrangle
Geological Survey (U.S.)
1987
Primary view of Hulldale Quadrangle
Geological Survey (U.S.)
1988
Primary view of Hulldale Southwest Quadrangle
Geological Survey (U.S.)
1987
Primary view of Hulldale Southwest Quadrangle
Geological Survey (U.S.)
1988
Primary view of San Angelo
Geological Survey (U.S.)
1986
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