﻿CLAYS 
  OF 
  NEW 
  YORK 
  723 
  

  

  Plows 
  are 
  used 
  to 
  mine 
  the 
  claj; 
  coke 
  and 
  coal 
  are 
  used 
  to 
  bum 
  the 
  

   brick 
  in 
  stationary 
  kilns 
  with 
  one 
  fire 
  to 
  each 
  arch. 
  

  

  The 
  bank 
  of 
  the 
  Lancaster 
  brick 
  co. 
  is 
  similar 
  to 
  the 
  one 
  just 
  

   mentioned, 
  showing: 
  

  

  8 
  feet 
  red 
  clay 
  

   ■J 
  foot 
  blue 
  clay 
  

   4 
  feet 
  gray 
  clay 
  

   Rock 
  

  

  Limestone 
  pebbles 
  are 
  also 
  present 
  and 
  the 
  clay 
  after 
  drying 
  is 
  

   screened. 
  The 
  bricks 
  are 
  burned 
  in 
  stationary 
  kilns, 
  coke 
  being 
  

   used 
  for 
  the 
  water-smoking 
  and 
  coal 
  for 
  the 
  subsequent 
  firing. 
  

  

  Buffalo, 
  Erie 
  co. 
  At 
  East 
  Buffalo 
  is 
  an 
  extensive 
  series 
  of 
  

   flats 
  underlain 
  by 
  red 
  clay 
  which 
  varies 
  in 
  depth 
  from 
  6 
  to 
  20 
  feet. 
  

   The 
  following 
  finns 
  situated 
  chiefly 
  on 
  Clinton 
  street 
  use 
  the 
  

   clay 
  for 
  making 
  brick: 
  Charles 
  Berrick 
  & 
  Sons, 
  Brush 
  Bros., 
  

   H. 
  Dietschler 
  & 
  Son, 
  E. 
  Haake, 
  L. 
  Eirkover, 
  Sohusler 
  & 
  Co., 
  

   G. 
  "W. 
  Schmidt. 
  Their 
  combined 
  production 
  in 
  1892 
  was 
  65,- 
  

   000,000 
  brick. 
  The 
  clay 
  is 
  said 
  to 
  rest 
  on 
  the 
  underlying 
  rock. 
  

  

  The 
  following 
  is 
  an 
  analysis 
  of 
  it. 
  

  

  Silica 
  57.36 
  

  

  Alumina 
  16.20 
  

  

  Peroxid 
  of 
  iron 
  4.55 
  

  

  Lime 
  5 
  . 
  34 
  

  

  Magnesia 
  3.90 
  

  

  Alkalis 
  6.98 
  

  

  94.33 
  

  

  Pebbles 
  of 
  limestone 
  are 
  scattered 
  through 
  it 
  in 
  places, 
  and 
  at 
  a 
  

   few 
  spots 
  several 
  feet 
  of 
  yellow 
  sand, 
  suitable 
  for 
  molding 
  or 
  tem- 
  

   pering, 
  covers 
  the 
  clay. 
  Below 
  the 
  limit 
  of 
  weathering 
  the 
  clay 
  is 
  

   blue, 
  which 
  does 
  not 
  give 
  as 
  nice 
  a 
  colored 
  brick 
  as 
  the 
  red. 
  The 
  

   addition 
  of 
  tempering 
  sand 
  is 
  not 
  considered 
  necessary. 
  Soak 
  pits 
  

  

  