Lv 







Harlequin Duck ( Histrionicus histrionicus ) 



Conservation Assessment and Strategy for the 



U.S. Rocky Mountains 



E. Frances Cassirer 



Idaho Department of Fish and Game 



Nongame and Endangered Wildlife Program 



1540 Warner Ave 



Lewiston, ID 83501 



James D. Reichel 



Montana Natural Heritage Program 



1515 East Sixth Avenue 



Helena, MT 59620 



Richard L. Wallen 



Office of Science and Resource Management 



Grand Teton National Park 



Moose, WY 83012-0170 



Eric C. Atkinson 



Hawk Mountain Sanctuary Association 



RR 2, Box 191 



Kempton, PA 19529 



July 1996 



