﻿GEOLOGICAL 
  SURVEY 
  OF 
  THE 
  STATE 
  OF 
  NEW 
  YORK. 
  

  

  (GEOLOGICAL 
  MAP.) 
  

  

  Economic 
  Geology 
  of 
  Ulster 
  County. 
  

  

  JAMES 
  HALL. 
  State 
  Geologist 
  FRANK 
  L. 
  NASON, 
  Assistant 
  

  

  1893 
  

  

  