Period of estimates: Estimates of use and yield for above period only 

 but use through remainder of season (October 1 through November 15) thought to 

 be negligible. 



Expenditures for equipment and annual items: Applied from special 

 survey of Montana fishermen (7). 



Other expenditure items: Single figure derived for all areas below 

 Gibson Reservoir in North Fork Sun River study and applied to each area. 



Angostura Reservoir , South Dakota (11), is a multiple-purpose reser- 

 voir on the Cheyenne River on the southeastern slope of the 31ack Hills. It 

 is 5j600 acres in size. The dam was completed in 19l*9, and the reservoir was 

 opened to fishing on July 1, 1952. 



Fluctuation was negligible during the period of study, and the reser- 

 voir remained at near maximum capacity. The maximum depth is about 137 feet. 



Roads varying from good to poor provide access to most of the shore, 

 but the various fishing areas are not directly connected and considerable travel 

 is necessary to go from one area to another. Fifty-five percent of the anglers 

 came from within a radius of less than 50 road-miles. An additional 27 percent 

 came from between 51 a nd 100 miles, mostly from Rapid City, S. Dak., 78 miles 

 from the reservoir. Approximately 13 percent of the fishermen were nonresidents. 



Yellow perch, black: bullhead, green sunfish, and rainbow trout in that 

 order comprised about 97 percent of the catch. Yellow pikeperch, largemouth 

 bass, crappies, and channel catfish also were recorded. 



Type and period of coverage: Periodic checks (19), July 1 through 

 October 12, 1952. 



Period of estimates: Estimates of use and yield for above period only. 



