﻿62 
  

  

  E. 
  H. 
  Perkins 
  — 
  DigMon 
  Conglomerate. 
  

  

  General 
  Description 
  of 
  the 
  Basin. 
  

  

  The 
  Narragansett 
  Basin 
  occupies 
  the 
  eastern 
  half 
  of 
  

   the 
  state 
  of 
  Ehode 
  Island 
  and 
  a 
  considerable 
  area 
  in 
  

  

  Pig. 
  i. 
  

  

  southeastern 
  Massachusetts. 
  It 
  lies 
  between 
  71° 
  30' 
  and 
  

   70° 
  48' 
  east 
  longitude 
  and 
  41° 
  25' 
  and 
  42° 
  10' 
  north 
  

   latitude. 
  

  

  