﻿Plate 
  40 
  

  

  A 
  glacial 
  boulder 
  or 
  " 
  erratic 
  " 
  of 
  Precambric 
  syenite 
  in 
  the 
  bed 
  

   of 
  Black 
  river, 
  2 
  miles 
  northeast 
  of 
  Boonville, 
  Oneida 
  county. 
  

   The 
  boulder 
  is 
  27 
  feet 
  across 
  and 
  17 
  feet 
  high 
  and 
  rests 
  upon 
  

   Black 
  River 
  limestone. 
  It 
  has 
  been 
  transported 
  some 
  miles 
  at 
  

   least. 
  

  

  Photo 
  by 
  W. 
  J. 
  Miller 
  

  

  