Lubinski, David J., Twichell, David C.,, 1989, Magnetic and bathymetric data from R/V Farnella cruises FRNL85-1, 85-2, and 85-3 in the U.S. Gulf of Mexico EEZ: U.S. Geological Survey Open-File Report 89-156, 6 p., Available ONLINE, PDF version

Twichell, David C., Cross, VeeAnn A., Paskevich, Valerie F., Hutchinson, Deborah R., Winters, William J., and Hart, P.E., 2007, GIS of selected geophysical and core data in the northern Gulf of Mexico continental slope collected by the U.S. Geological Survey: U.S. Geological Survey Open-File Report 2005-1071, DVD-ROM, Available ONLINE

Twichell, David C., McGregor, Bonnie A., Lubinski, David J.,, 1989, Seismic-reflection data from R/V Farnella cruises FRNL82-7, FRNL85-1, FRNL85-2, and FRNL85-3A in the U.S. Gulf of Mexico EEZ: U.S. Geological Survey Open-File Report 89-549, 7 p., Available ONLINE, PDF version

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