STUDY NUMBER : 2.10 



ORGANIZATION : Montana Department of Fish, Wildlife and Parks 

 (MDFWP) under contract by ASARCO, Incorporated 



TITLE OF STUDY : Rock Creek (Sanders County) Baseline Fisheries 

 Assessment 



CONTACT(S) ; Jim Vashro - Montana Department of Fish, Wildlife 



and Parks, Kalispell - 755-5505 



Terry Erskine - ASARCO, Troy - 295-5882 



OBJECTIVE : Establish baseline information on the fisheries in 

 Rock Creek, tributaries to Cabinet Gorge Reservoir, prior to 

 development of a hardrock mine proposed by ASARCO, Inc. Para- 

 meters studied include fish species composition, abundance, dis- 

 tribution, movement, food habits, age and growth, tissue metal 

 content analysis, and spawning. 



DURATION ; April, 1985 - February, 1987 



CURRENT STATUS ; Field studies have been completed and a final 

 report should be published by March, 1987. The two annual reports 

 will be used in preparation of an Environmental Impact Statement 

 if ASARCO files for an operational permit on the proposed silver 

 mine . 



FUTURE ACTIVITIES ; All project objectives have been satisfied. 

 Future activity will depend on submission of an operating plan 

 by ASARCO. 



PUBLICATIONS AND REPORTS 



ASARCO Rock Creek Project, Baseline Fisheries Assessment. Pro- 

 posal. Jim Vashro, Montana Department of Fish, Wildlife and 

 Parks, Kalispell, Montana. December, 1984. 



ASARCO Rock Creek Project, Baseline Fisheries Assessment. David 

 Barnard and Jim Vashro, Montana Department of Fish, Wildlife 

 and Parks, Kalispell, Montana. 

 1986. 



ASARCO Rock Creek Project, Baseline Fisheries Assessment, Terry 

 Hightower and Jim Vashro, Montana Department of Fish, Wildlife 

 and Parks, Kalispell, Montana. 1987. 



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