﻿Report 
  of 
  the 
  State 
  Geologist. 
  

  

  283 
  

  

  1069' 
  

  

  9' 
  Hard 
  bluish-gray, 
  shaly-looking 
  rock, 
  in 
  layers 
  1* 
  to 
  1' 
  6' 
  

   thick, 
  separated 
  by 
  thin 
  black 
  seams; 
  shows 
  faint 
  lines 
  of 
  

   bedding, 
  and 
  changes 
  color 
  but 
  slightly 
  when 
  exposed. 
  At 
  

   1075 
  it 
  is 
  quite 
  shaly. 
  Softer 
  toward 
  the 
  bottom. 
  No 
  fossils. 
  

  

  1078' 
  

  

  9' 
  Blue-gray, 
  quite 
  hard, 
  shale 
  or 
  marlyte, 
  with 
  nodules, 
  

   and, 
  toward 
  the 
  bottom, 
  nodular 
  layers, 
  of 
  very 
  light 
  bluish 
  

   gypsum. 
  From 
  1082 
  to 
  1C87 
  the 
  marlyte 
  and 
  gypsum 
  were 
  

   in 
  about 
  equal 
  proportion. 
  

  

  