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Primary view of Lake Bonham Quadrangle
Geological Survey (U.S.)
1985
Primary view of Blue Ridge Quadrangle
Geological Survey (U.S.)
1975
Primary view of Pecan Gap Quadrangle
Geological Survey (U.S.)
1968
Primary view of Ladonia Quadrangle
Geological Survey (U.S.)
1968
Primary view of Ambrose Quadrangle
Geological Survey (U.S.)
1985
Primary view of Direct Quadrangle
Geological Survey (U.S.)
1981
Primary view of Dodd City Quadrangle
Geological Survey (U.S.)
1985
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