Fig. 27. Big Chief Pond, Big Moose Lake region. Part of south shore ; beaver- 

 damaged timber removed. An example of injury on a private estate. 



Fig. 28. Beaver dam on Big Brook, Long Lake region; 172 feet long, 3 feet, 

 9 inches high ; no timber to damage here. Beaver flows are fre- 

 quently helpful to man for transportation purposes. 



