1990). The low number of sightings (only five) that I 

 encountered primarily stems to my later start in June. I believe 

 the high water run-off this spring may have caused low nest 

 success. I surveyed each stream only once and the particular 

 time of day may not have been good for observing harlequins. 

 Although, harlequins have been sighted at various times during 

 the day. 



Descriptions by Ranger District 

 Big Timber Ranger District 



The ares of the Boulder River below Hells Canyon and down 

 towards Natural Bridge is meandering and more open. Private land 

 and cabins, and greater concentrations of recreation occurs in 

 the lower areas of the Boulder. Down towards Crystal Springs and 

 through Chippy Park and Falls Cr. campgrounds the stream banks 

 are not as remote. Below Falls Cr. campground the Boulder moves 

 slow meandering through black cottonwood, chokecherry, and rose 

 bush banks and around grassy meadows and grazing lands where the 

 river bottom forms deep pools and muddy bottoms. The creeks 

 below and above Box Canyon that include Speculator, Upsidedown, 

 Bridge, Copper, Elk, Sheep, and South Fork were characterized by 

 high gradient flows with large boulders, pools, and sections of 

 steep canyon and rocky stream banks. Rainbow Cr. contained some 

 portions of lower gradient flows with willows, but available 

 feeding areas, and islands are lacking on Rainbow Cr. and the 

 previous creeks mentioned. 



The West Boulder River has a few suitable islands below the 

 campground. Above the campground, there is mostly a single 



