cascading dovm a bedrock cl-iannel. Trout Greek vras considered of 

 little possiole value to salmon, although it rnay be of some value to 

 steelhead and resident trout « 



25F-(6). Pine Creek »—( Inspected September 11, 1940; Zimr.ier.) 

 Enters the Molalla River about 30 miles above the mouth. The stream 

 is approximately'- 7 miles long and was disctiarging about 10 c.f.s. The 

 gradient is steep, and the stream bed is mainly bedrock and boulders « 

 There were several rejxirts of salmon in Pine Creek. However, it is 

 'onsidered of little value to salmon, although of some possible value 

 to steelhead and resident trout » 



The two principal tributaries to the upper Molalla River, form- 

 ing the main stream at their confluence, are Table Rock (or Middle 

 Fork ) and the South Fork o Neither of these was surveyed. 



25G-M. Several small tributaries to the main Willamette -urere 

 considered as of little or no value to salmon and vrere merely inspected. 

 Among ttese were Mewland Creek , entering 32 miles above the mouthy 

 Boeckman Greek , entering about 34 r.iiles upstream. Corral Creek , entering 

 36 miles upstream, Champoe^; Creek , entering 4O miles upstream. Mission 

 Greek , entering about 41 miles upstream, Pless Creek , 43 miles upstreara, 

 and Ghehalem Creek , 46 miles upstream. All of these streams on the 

 Willamette Valley floor have very slight gradients, stream beds com- 

 posed mainly of mud_„ and very small flows in the summer and early fall 

 months . 



25N. Yamhill River »— (inspected September 26, 1940. Frey and 

 iiimmero) Enters the ViTillanette River ab.out 5O2 miles above the mouth. 

 The main Yamhill extends for 10-| miles to the confluence of the North 

 and South Forks, The disc'narge ranges from a minimum of 35 c.f.s., in 

 September to a maximum of 27,000 c.f.s., in April. 



The U. 3. Governraent Locks are located near the town of lafayette^ 

 7 miles above the mouth. A fish ladder is provided, and is jmssable 

 when kept free of debris. 



The river is sluggish, usually turbid, and lacks suitable salmon 

 spawning area. 



25N-(l)o Palmer (or I&ll) Creek . — (inspected SejAember 26, 1940; 

 Fr-ey and ZiiranerT) liiters tne Yamhill River 5 miles above the mouth, 

 and is approximately 9 iiiiles long. The discliarge was 4~5 c.f.s ., and 

 the gradient is slight. The stream is sluggish, turbid, and lacking in 

 spavming areao It is of little or no possible value to salmon, 



25N-(2)« North Yamhill River . — (Loirer 13 miles insi«cted Septem- 

 ber 13-14;; 1945; Jc'arkhuxst, Rucker, and Brewington. Next lO-?;- miles 

 surveyed October 1, 1945 j Brewington, Davis, and Jotenson.) Joins the 



42 



