TY - BOOK AU - Luttrell,Gwendolyn Lewise Werth TI - Stratigraphic nomenclature of the Newark supergroup of Eastern North America U1 - 551.7097 PY - 1990/// CY - Washington, D.C. PB - United States Geological Survey KW - Geology, Stratigraphic KW - Triassic KW - Nomenclature KW - Jurassic KW - Geology KW - North America N1 - Folded map in pocket; Bibliography: p. 123-126 ER -