Excerpt from Stratigraphic Notes, 1980-1982: Contributions to Stratigraphy; Geological Survey Bulletin 1529-H; Seventeen Short Papers Deal With Changes in Stratigraphic Nomenclature; Names Adopted, Revised, Reinstated, or Abandoned and Ages of Rocks Changed The Hutchinson River Group is here formally named for the Hutchinson River that traverses most of the subject terrane from Scarsdale. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.