Tucci, Patrick, Schmoker, J.W., and Robbins, S.L., 1983, Density of basin-fill deposits calculated from borehole-gravity data in four basins in central and southern Arizona [abs.], in Society of Exploration Geophysicists, 1983 Technical Programs, Expanded Abstracts with Biographies: Tulsa, Okla., Society of Exploration Geophysicists, p. 28-31.