﻿Bocks, 
  in 
  Littleton, 
  New 
  Hampshire. 
  

   Fig. 
  2. 
  

  

  233 
  

  

  Scale 
  in 
  miles. 
  

  

  ^ 
  M 
  5 
  fi 
  ^^ 
  Basic 
  sills 
  

  

  Banded 
  ^IVVVj 
  Qramte 
  

   argiUites 
  ^ 
  Pwvl 
  gneiss 
  

  

  Basal 
  l^^v^J 
  Observed 
  

  

  series 
  I 
  I 
  

  

  boundaries 
  

  

  I 
  Lyman 
  

   ' 
  schk 
  

  

  J 
  Boundaries; 
  laca- 
  

  

  1 
  twn 
  uncertain. 
  

  

  Fig. 
  2. 
  Map 
  of 
  the 
  area 
  described 
  in 
  this 
  report. 
  The 
  lower 
  edge 
  of 
  the 
  

   map 
  on 
  the 
  left 
  is 
  the 
  upper 
  edge 
  of 
  that 
  on 
  the 
  right. 
  The 
  positions 
  of 
  the 
  

   cross-sections 
  drawn 
  in 
  figs. 
  3 
  and 
  4 
  are 
  marked 
  by 
  lines 
  lettered 
  A- 
  A, 
  B-B, 
  etc. 
  

  

  