"U.S. Department of the Interior, U.S. Geological Survey"--T.p. verso.
Includes bibliographical references.
A. Introduction / by K.M. Shedlock and A.C. Johnston -- B. Summary and discussion of crustal stress data in the region of the New Madrid seismic zone / by W.L. Ellis -- C. Preliminary seismic reflection study of Crowley's Ridge, northeast Arkansas / by R.B. VanArsdale ... et al.