Associate Professor of Geology
University of Florida
Ph.D.: 1969, University of Arizona

Water table characterization within the Yulee heavy mineral sand deposits of north eastern Florida. D.P. Spangler, F.L. Pirkle, and J.G. Reynolds. Florida Water Well Assoc Proc, Orlando, Fl, 29-48, 1989.
The Big Cypress National Preserve. M.J. Duever, J.E. Carlson, J.F. Meeder, L.C. Duever, L.H. Gunderson, L.A. Riopelle, T.R. Alexander, R.L. Myers, and D.P. Spangler. National Audubon Soc, New York, Research Report no. 8, 455, 1986.
Geologic variability among six cypress domes in north-central Florida. D.P. Spangler. in Cypress Swamps. K.C. Ewel, and H.T. Odum. UF Press. 60-66, 1984.