a8 



.-' 



9*4^ 



mountain sides down into the \allc,\s Ih'Iow , and burying rich bottom lands in ruin. And tliis is not, 1 lie only 

 danger which must follow the destruction of these forests. If the suovv which supplies the mountain streams melts 

 slowly, a steady flow of water will be maintained late into the season; if, on the other hand, the snow melts suddenly 

 and rai)idly during the first warm days of spring, the unnatural flow of water in the stream must be followed by 



