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Warrén,*E. Ry 21927, - The beavers. its work aba Ch ik 
pues eamore,: 17% pps Tilia. Ee lo oe ae a 4 
wee ia ay ro % » 
gore eee 
Warren, E, R. .1928, Beavers.in.the Buk meatcrnenetsnt a 
Sour, Mammal... 9(4) 2320-34, Tilus. aa 
Warren, E. Re 1928. Cutting of oaks by paaveia’ Bcrercg ro! * 
°9(3) s25324¢  Eicatpue MRI srtee cast ath 
WarrenpiZe. iR, 101928). "The most Tietiaptiba wild. adguat, inj Abertea. i: 
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