Bui. 1 94, U. S. Dept. of Agriculture. 



Plate VII. 



Fig. 1.— Arnold Flume, Oregon. 



Ml. iiiiliisi\c — Taken when new. Note battens.) 



Fig. 2. ly-r.' ,\ \, \ \ ir,;i ni ak Ui:n(j, Oim i.. 

 (Nfr^. 77 to H), InfluMlve— I'pMtrciim pn.Ht .Mi-icr Slatlnn l.'i |i1ii.m hi.) 



