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Texas. Colored work, 1935. (Box 162, Folder 7)
Texas. Colored work, 1935. (Box 141, Folder 11)
Texas (Brewster County) Chisos Mountains quadrangle
Texas, Big Bend, Santa Elena Canyon
Texas
Texas
Texaco road map : Minnesota
Teufel hunden : German nickname for U. S. Marines : devil dog recruiting station : 1409 Arch Street
Teucrium canadense
Tetsu
Tetrapteryx stages in bird ancestry, illustration from William Beebe, "The Bird Its Form and Function"
Tetragonanthus deflexus
Testudo Pardalis
Testing telephones.
Testing sugar concentration of maple sap
Testing hundreds of species of plants for suitability in green roof systems in the upper Midwest.
Testing hundreds of species of plants for suitability in green roof systems in the upper Midwest.
Testing hundreds of species of plants for suitability in green roof systems in the upper Midwest.
Testing hundreds of species of plants for suitability in green roof systems in the upper Midwest.
Testing hundreds of species of plants for suitability in green roof systems in the upper Midwest.