OREGON (Cont. ) 



4. Marking Programs. 



Yearling chinook, silver salmon, rainbow trout, cutthroat, brown trout, and steel- 

 head reared in Oregon hatcheries are marked to determine their value in the 

 fisheries harvests and to assess the need for hatchery-raised fishes. 



Statewide and in off-shore, coastwise waters; began 1950, continuous; field agents 



of the State Game Commission in charge. 

 Address correspondence to: H. J. Rayner, Chief of Operations, Div. of Fisheries, 



Ore. State Game Commission, 1634 S. W. Alder St., Portlands, Ore. 



5. Creel Census. 



Armual inventories are taken of the anglers' trout catch on the McKenzie 



River, Oregon coast streams, and numerous lakes throughout the State for the 

 purpose of determining the return to the angler of hatchery fish, the efficiency 

 of management programs, and to have a yearly measure of the pulse of the trout 

 fishery. 



Continuous; field agents of the State Game Commission in charge. 



Address correspondence to: H. J. Rayner, Chief of Operations, Div. of Fisheries, 

 Ore. State Game Commission, 1634 S. W. Alder St. , Portland 8, Ore. 



6. Resource Inventories, Counting Stations. 



Anadromous fishes passing Winchester Dam on the North Umpqua and Gold Ray Dam 

 on the Rogue River are enumerated for the purpose of following population trends 

 and correlating those trends with river improvement work, changes in regulations 

 and other environmental alterations. Runs of chinook and silver Pacific salmon, 

 summer and winter steelhead, searun cutthroats and other trout are counted. 



Continuous; William E. Pitney (Umpqua River) and Cole M. Rivers (Rogue River), 



Fishery Biologists. 

 Address correspondence to: H. J. Rayner, Chief of Operations, Div. of Fisheries, 



Ore. State Game Commission, 1634 S. W. Alder St. , Portland 8, Ore. 



7. Resource Inventories, Spawning Ground Counts, Pacific Salmon. 



An enumeration of spawning anadromous fishes is taken at yearly intervals for pur- 

 poses of detecting changes in numbers of fish using the waters, so that manage- 

 ment practices may be inaugurated for the improvement of the runs. 



Sixteen tributaries of the Lower Umpqua River, Metolius River, and Squaw Creek, 

 a tributary of the Deschutes River; continuous; William E. Pitney and Monty L. 

 Montgomery, fishery biologists . 



Address correspondence to: H. J. Rayner, Chief of Operations, Div. of Fisheries, 

 Ore. State Game Commission, 1634 S. W. Alder St., Portland 8, Ore. 



98 



