HcceJo is >oor. Most of the fishermen u:;ircg the area ire resirents. 

 Rainbow, cutthroat, and brook trout -n th ri t order comprised 99 percent of the 

 catch. Suckers rfere taker.. 



Type ana period of coverage: Intensive checks, Hay 20 through 

 September 30, 1951. 



Period of estimates: Above period only, but use during remainder 

 of season thought to be negligible. 



Expenditures for equipment and annual items: Applied from special 

 survey of Montana fishermen (7). 



Other expenditure items: Derived separately for this area. 



Diversion Reservoir , Montana (17), is th^ backwater of a diversion 

 structure of the Sun P«.iver Irrigation Project on the North Fork Sun River, 2 

 miles below Gibson Reservoir. It has a surface area of 100 acres. Water is 

 maintained at a relatively stable level and the area is readily accessible. 

 Most of the fishermen are residents of Montana. Rainbow, brook, and cutthroat 

 trout comprised 99 percent of the take. Suckers and Rocky Mountain whi tefish 

 also were recorded. 



For type and period of coverage, period of estimates, and expenditures 

 for equipment and annual items, see Gibson xteservoir. 



Other expenditure items: See Split Rock Lakes. 



Willow Creek Reservoir , Montana (17), is an off stream irrigation reser- 

 voir c:i the plains at the foot of the eastern slope of the northern Rocky Mountains 

 on the Sun River Irrigation Project. Surface area is l,l/)0 acres. Annual fluctu- 

 ation is about 15 to 30 feet. Access is moderately good during dry weather. The 

 fishermen were from the immediate area. The catch was primarily suckers, and 



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