﻿University 
  of 
  the 
  State 
  of 
  New 
  York 
  

  

  New 
  York 
  State 
  Museum 
  

  

  Frederick 
  J. 
  H. 
  Merrill 
  Director 
  

  

  Bulletin 
  48 
  December 
  1901 
  

  

  PLEISTOCENE 
  GEOLOGY 
  

  

  OF 
  PORTIONS 
  OF 
  

  

  NASSAU 
  COUNTY 
  AND 
  BOROUGH 
  OF 
  QUEENS 
  

  

  BY 
  

  

  JAY 
  BACKUS 
  WOODWORTH 
  B.S. 
  

  

  PAGE 
  

  

  Preface 
  617 
  

  

  Introduction 
  618 
  

  

  Topography 
  618 
  

  

  Geology 
  621 
  

  

  Pre-Pleistocene 
  formation 
  . 
  621 
  

  

  Glacial 
  formation 
  623 
  

  

  Harlem 
  and 
  Brooklyn 
  quadran- 
  

   gles 
  648 
  

  

  Jamaica 
  bay 
  depression 
  650 
  

  

  Glaciated 
  ledges 
  652 
  

  

  Port 
  Washington 
  glacial 
  lake.. 
  653 
  

  

  College 
  Point 
  delta 
  657 
  

  

  Summary 
  of 
  glacial 
  history 
  660 
  

  

  Post-glacial 
  changes 
  and 
  pro- 
  

   cesses 
  now 
  in 
  action 
  661 
  

  

  Bibliography 
  664 
  

  

  Glossary 
  664 
  

  

  PAGE 
  

  

  Index 
  669 
  

  

  Plates 
  

  

  1 
  Map 
  of 
  the 
  Pleistocene 
  geology 
  

   of 
  the 
  Oyster 
  Bay 
  and 
  Hemp- 
  

   stead 
  quadrangles 
  on 
  Long 
  

   Island 
  Cover 
  page 
  3 
  

  

  PACING 
  PAGE 
  

  

  2-5 
  Views 
  of 
  boulder 
  bed 
  King's 
  pit, 
  

   Hempstead 
  harbor, 
  627, 
  629, 
  631, 
  633 
  

  

  6 
  Sand 
  washer 
  at 
  King's 
  pit 
  635 
  

  

  7 
  Reed 
  and 
  Murray's 
  sand 
  pit, 
  Port 
  

  

  Washington, 
  glacial 
  delta 
  647 
  

  

  8 
  Eastern 
  sand 
  pit. 
  Port 
  Washing- 
  

  

  ton 
  655 
  

  

  9 
  Sketch 
  map 
  showing 
  position 
  of 
  

  

  retreating 
  ice 
  front 
  at 
  the 
  Port 
  

   Washington 
  stage 
  659 
  

  

  