On -?1 "beech land a 60 year old beech stand produces about 

 wood per acre per year, and over ^OUO// ol leaves ?md small twi~,s, 

 or about 10,000f/ of organic matter all tolci. On the basis of 300// water 

 per pound dry matter, this would require 16 H rain. 



On ;fl pine land half as much material is produced, but even thai 

 would require 8 M of r^in. 



-At or taken up by the roots leave the soil driest in the localij 

 of the meat roots. S>'Rllo" rooter? dry out the top layers, deep rooters 

 the lov;or layers. In forert the tor> lr?.yer? contnin rr.oro v:atcr than the 

 lot? liyt- , Boil 1 il in bare land, as indi- 



cated by exrcerirrents. There hr-.s been much diecueoion on this point, and 

 much misinterpretation of fact:, experiments. 



jlpr the ye-tr. in water in the soil . 



is ^rc-"t-:r Ii st disappears 



. ; up the previous t'Vblc of aiioa^ts of v.ntcr in the onj 

 the amounts .-v-iporMtsd by trees. { -op. 112, 11?, 119, etc , . 



of 



: differ in the it'jMNratar tail on from t,ho soil. The 



ftstywill I .*o-v on jack pine land, as the latter cannot furnish as much 



wa-- .aeda, v/hich majtti the ash & sensitive tree. The ash 



c^n bring . viore or^-.nic material, but needs racr<. r to do it with. 



r it :.iay not die, but it v?ill not much or 



good wood (thinner rirrr-, etc.). 



it of soil -rater, or free ground , r. 



A general claim is rrade that the forest leaaens tlie su-^ount c 

 fro r. This -is ^-?nerally conceded woday, but V.r. Roth thini x .e 



'.otion is -ibsol ;toly .-rr-ig. It contradicts actual experience, ^ich- 

 :i for exvjrr/l'.?, in the p^ct ind th.: -/nt, and also in Wisconsin and 



.T country. r.vrsjcpQ, ':tc. actually do not have as much watc 

 .'ly; th- re.-:;OT?jil of forest dried out th.s l-.ind, ^afl tliis fact 

 contradicts tl'o , : ."on evilly ncceptevi c?. . ;r->3t losssns the .-mount 



of free ^r o .m d 17??. t e r . 



This same claim is contrary to the conditions found by Uie 

 U, ''.Geological Survey in prairie^ regions. Prairie rivcra are not regula 

 they ar-^ oither a flood or ?. drouth. 



Hydraulic en^i^eers are co.::i:}^ to believe strongly in Uie influ 

 '5 o^ ' or^L't in steadying stre- 1 ::- 1 flow. 



st ref-ul 11 "iter nov r J;irit, and rankos it more steady. The 

 condition^ of Tnter nv i ;t here continue 1^ undisturbed for rva/ty years 

 In thia reopect they differ rndic->lly from -i^rioulLural lands, where the 

 conrtitiona of witer rnove.'ie'jt are disturbed coniitantly. 



Tlie importance of water regulation is far greater in poor land 

 than in r.:ood Innd. 



