1. Stratigraphic nomenclature of the Newark Supergroup of eastern North America Author/Creator: Luttrell, Gwendolyn Lewise Werth, 1927- Publication/Creation: Washington : U.S. G.P.O. ; Denver, CO (Federal Center, Box 25425, Denver 80225) : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1990 Resource Type: Book Access & Availability: Loading