﻿Report 
  of 
  tee 
  State 
  Geologist. 
  

  

  279 
  

  

  24' 
  Gray 
  limestone, 
  with 
  nearly 
  an 
  equal 
  quantity 
  of 
  chert, 
  

   which 
  is 
  not 
  in 
  layeis, 
  but 
  distributed 
  in 
  nodules 
  and 
  masses 
  

   irregularly 
  through 
  the 
  bed. 
  

  

  This 
  is 
  1 
  the 
  most 
  refractory 
  rock 
  encountered 
  in 
  sinking 
  the 
  

   shaft. 
  

  

  Fossils 
  rare. 
  At 
  975 
  a 
  few 
  specimens 
  of 
  coral 
  were 
  

   observed. 
  

  

  