"work like a beaver" is an almost uni- 

 versal expression for energetic and intelli- 

 gent persistence, but who realizes the magnitude 

 of the beaver's works ? What he has accomplished 

 is not only monumental but useful to man. He 

 was the original Conservationist. An interesting 

 and valuable book could be written concerning 

 the earth as influenced and benefited by the labors 

 of the beaver. The beaver is intimately associated 

 with the natural resources, soil, and water. His 

 work is not yet done, and along the sources of 

 innumerable streams he will ever be -needed to 

 save soil, to regulate stream-flow, and to provide 

 pools for the fish. 



The beaver's conservation work is accom- 

 plished by means of the dams he constructs across 

 streams of flowing water and the ponds that are 

 thus formed. These dams and ponds render a 

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