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Geophysical mapping of oyster habitats in a shallow estuary, Apalachicola Bay, Florida

Twichell, David C.
[Reston, Va.?] : U.S. Geological Survey, 2007. 2007

GIS of selected geophysical and core data in the northern Gulf of Mexico Continental Slope, collecte

Twichell, David C.
Woods Hole, MA : U.S. Geological Survey, Coastal and Marine Geology Program, [2005] 2005

A seismic-reflection investigation of gas hydrates and sea-floor features of the upper continental s

Cooper, Alan K.
[Menlo Park, CA] : U.S. Geological Survey, 1999. 1999

Surficial geology of the floor of Lake Mead (Arizona and Nevada) as defined by sidescan-sonar imager

Twichell, David C.
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2009. 2009