Ua-(1). North Fork » — (May 27, IPUUj Nielsono) Joins the south 

 fork to form Butter Creek 16.5 miles above the mouth of the latter* 

 This is a small stream having a total length of about 15 miles* 

 There are five dams and diversions, similar in all respects to the 

 dams and diversions on main Butter Creek. This stream has no value 

 to salmon or steelhead trout» 



UA-(2)» South Fork . — (Inspected May 27, 19hk', Nielson.) Joins 

 the North Fork to form Butter Creek l6,5 miles above the mouth of the 

 latter. This is a small stream having a total length of about II4 miles. 

 There are five dams and diversions, similar in all respects to the dams 

 and diversions on the North Fork and on Butter Creek. It has no value 

 to salmon or steelhead trout. 



UB. Birch Creek . — (May 27> 19hh', Nielson.) Enters the Itoatilla 

 River 7^ miles below Pendleton, Oregon, and has a total length of 

 about 18 miles. Water for irrigation is extensively diverted and no 

 attempt wa.s made to enumerate each diversion. In the year 19i|8 the 

 Oregon Game Commission installed forty-foiir fish screens on Birch Creek 

 and McKay Creek. In addition about 12 miles above the mouth a feed 

 canal diverts -water to McKay Creek for storage in McKay Reservoir. 

 Birch Creek at one time -was an excellent steelhead stream, according 

 to local reports. Suitable spawning areas were observed throughout. 

 Because of present extensive water use, this stream must be considered 

 as having no value to salmon. 



UC. McKay Creek . — (May 27, 19Uh', Nielson.) Enters the Umatilla 

 River about 5 miles below Pendleton, Oregon. This stream, like Birch 

 Creek, was at one time an excellent steelhead trout stream, suitable 

 spawning areas being observed throughout. The McKay Reservoir dam, 

 a rock and earth-fill structure over 100 feet high, is located about 

 5 miles above the mouth of the stream and forms a barrier to fish at 

 that point. Suitable spawning areas were observed throughout the 

 entire 5-mile section below the dam and constituted about 75 percent 

 of the total bottom area. The stream flow is completely regulated 

 below the dam. Very little, if any, water is released during the 

 period of storage (November through April). There are numerous irri- 

 gation diversions screened by the Oregon Game Commission in 19U8. 

 McKay Creek is of no present value to salmon. 



UD. Wildhorse Creek . — (May 27, 19hh; Nielson.) Enters the IBnatilla 

 River 1.5 miles above Pendleton, Oregon. This stream has a total length 

 of about 25 miles, but is very small except at flood stage. The flow 

 at the time of inspection was about 2 c.f.s., and it was reported to 

 become almost completely dry in summer. Wildhorse Creek is of no 

 present or potential value to migratory fish. 



UE. Meacham Creek . — (May 25, 19U1|J Nielson.) Enters the Itaatilla 

 River about 25 miles above the city of Pendleton, Oregon, and has a 

 total length of about 20 miles. The average width of the stream near 

 the mouth is about 50 feet, and at the time of inspection it was dis- 



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