﻿Smithsonian 
  Report 
  1922. 
  — 
  Berry. 
  

  

  Plate 
  6. 
  

  

  A 
  Board 
  Laid 
  to 
  Serve 
  as 
  a 
  Foot 
  Bridge 
  Across 
  the 
  Main 
  Segment 
  

   of 
  the 
  Beaver 
  Canal 
  Produced 
  a 
  Temporary 
  Blockade 
  of 
  Canal 
  

   traffic; 
  the 
  crescentic 
  cuts 
  made 
  by 
  the 
  beavers 
  as 
  here 
  illus- 
  

   TRATED 
  Show 
  a 
  Curious 
  Lack 
  of 
  Coordination 
  in 
  the 
  Efforts 
  Di- 
  

   rected 
  Toward 
  the 
  Removal 
  of 
  the 
  Obstruction. 
  

  

  Photograph 
  by 
  the 
  author, 
  July 
  29, 
  1916. 
  

  

  2. 
  Trunk 
  of 
  a 
  Large 
  Cottonwood 
  Tree, 
  Felled 
  and 
  Stripped 
  of 
  Its 
  

   Bark 
  by 
  Beavers. 
  Stranded 
  on 
  the 
  Bank 
  of 
  the 
  Musselshell 
  River 
  

   Some 
  Distance 
  Below 
  the 
  Big 
  Canal. 
  

  

  Photograph 
  by 
  the 
  author, 
  September 
  5, 
  1919. 
  

  

  