Benson, R.N.; Hahn, W.F.; Jordan, R.R.; Pickett, T.E.; Talley, J.H.; Thompson, A.M.; Woodruff, K.D.
(Newark, DE: Delaware Geological Survey, University of Delaware, 1977-05)
The information contained in this Guidebook was compiled on the occasion of the Annual Meeting of the Association of American State Geologists held in Delaware in June 1977. The
Delaware Geological Survey is pleased to ...