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Primary view of Texas Flatonia Quadrangle
Geological Survey (U.S.)
1920
Primary view of Van Horn Sheet
Geological Survey (U.S.)
1920
Primary view of Mexia Quadrangle
United States. Army. Corps of Engineers.
1920
Primary view of Smithsons Valley Quadrangle
United States. Army. Corps of Engineers.
1920
Primary view of Hamilton Sheet
Geological Survey (U.S.)
1920
Primary view of Hockley Quadrangle
Geological Survey (U.S.)
1920
Primary view of Harmaston Quadrangle
Geological Survey (U.S.)
1920
Primary view of Almeda Quadrangle
Geological Survey (U.S.)
1920
Primary view of Spring Quadrangle
Geological Survey (U.S.)
1920
Primary view of Ballinger Sheet
Geological Survey (U.S.)
1920
Primary view of Mart Quadrangle
United States. Army. Corps of Engineers.
1920
Primary view of Moonshine Hill Quadrangle
Geological Survey (U.S.)
1920
Primary view of Stephenville Sheet
United States. Army. Corps of Engineers.
1920
Primary view of Kemp Quadrangle
United States. Army. Corps of Engineers.
1920
Primary view of Bone Spring Quadrangle
United States. Army. Corps of Engineers.
1920
Primary view of Lampasas Sheet
Geological Survey (U.S.)
1920
Primary view of Brownwood Sheet
Geological Survey (U.S.)
1920
Primary view of Waco Sheet
United States. Army. Corps of Engineers.
1920
Primary view of Huffman Quadrangle
Geological Survey (U.S.)
1920
Primary view of Mikeska Sheet
Geological Survey (U.S.)
1920
Primary view of Genoa Quadrangle
Geological Survey (U.S.)
1920
Primary view of Fauna Quadrangle
Geological Survey (U.S.)
1920
Primary view of La Porte Quadrangle
Geological Survey (U.S.)
1920
Primary view of Highlands Quadrangle
Geological Survey (U.S.)
1920
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