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  NEW 
  YORK 
  STATE 
  MUSEUM 
  

  

  At 
  Locy's 
  yard, 
  where 
  borings 
  show 
  the 
  clay 
  to 
  be 
  30 
  feet 
  thick, 
  

   a 
  red 
  clay 
  also 
  occurs. 
  Yellow 
  sand 
  overlies 
  the 
  clay 
  at 
  several 
  

   points, 
  which 
  can 
  be 
  used 
  for 
  molding. 
  The 
  yards 
  of 
  Locy 
  Bros. 
  

   and 
  Townsend 
  are 
  open 
  ones. 
  At 
  the 
  Empire 
  state 
  co.'s 
  yard 
  tunnel 
  

   driers 
  are 
  used, 
  the 
  clay 
  being 
  mixed 
  in 
  a 
  wet 
  pan 
  and 
  then 
  dis- 
  

   charged 
  through 
  an 
  opening 
  in 
  the 
  floor 
  of 
  the 
  latter 
  on 
  an 
  endless 
  

   belt 
  which 
  carries 
  it 
  up 
  to 
  the 
  molding 
  machine. 
  The 
  brick 
  are 
  

   burnt 
  in 
  scove-kilns. 
  

  

  Spencer, 
  Tioga 
  co. 
  W. 
  H. 
  Bostwick's 
  yard 
  is 
  about 
  a 
  mile 
  south 
  

   of 
  the 
  village. 
  The 
  clay 
  which 
  is 
  dug 
  in 
  a 
  field 
  adjoining 
  the 
  

   works, 
  is 
  a 
  tough 
  reddish 
  material 
  4 
  to 
  6 
  feet 
  thick. 
  It 
  is 
  under- 
  

   lain 
  by 
  sand 
  and 
  gravel. 
  The 
  bricks 
  are 
  dried 
  on 
  pallets 
  and 
  

   burned 
  in 
  stationary 
  up-draft 
  kilns. 
  

  

  Neiufieldj 
  Tompkins 
  co. 
  F. 
  C. 
  Campbell's 
  brick 
  yard 
  is 
  about 
  

   one 
  mile 
  north 
  of 
  the 
  station 
  along 
  the 
  Lehigh 
  valley 
  railroad. 
  

   Adjoining 
  the 
  yard 
  is 
  the 
  clay 
  bank 
  which 
  rises 
  to 
  a 
  hight 
  of 
  about 
  

   50 
  feet. 
  The 
  clay 
  is 
  of 
  a 
  bluish 
  color, 
  and 
  forms 
  an 
  enormous, 
  

   stratified, 
  lenticular 
  mass, 
  which 
  is 
  imbedded 
  inj 
  the 
  terminal 
  

   moraine 
  crossing 
  the 
  valley 
  at 
  that 
  point. 
  The 
  upper 
  portions 
  

   contain 
  more 
  sand. 
  

  

  An 
  analysis 
  of 
  this 
  clay 
  showed: 
  

  

  Silica 
  51.30 
  

  

  Alumina 
  12 
  . 
  21 
  

  

  Peroxid 
  of 
  iron 
  3.32 
  

  

  Lime 
  11.63 
  

  

  Magnesia 
  4.73 
  

  

  Alkalis 
  4.33 
  

  

  Organic 
  matter 
  1 
  . 
  50 
  

  

  89.02 
  

  

  N"otwithstanding 
  the 
  high 
  percentage 
  of 
  lime, 
  which 
  gives 
  the 
  

   brick 
  its 
  cream 
  color, 
  a 
  very 
  strong 
  brick 
  is 
  produced. 
  Covering 
  

   the 
  clay 
  is 
  several 
  feet 
  of 
  yellowish 
  stratified 
  sand. 
  Lime 
  pebbles 
  

  

  