Group 4U- Medium River Side-Channel Community. This community group consisting of 

 modcrateK tolerant niacroin\crtebrates is associated witii medium to large (3"^-6'^ order) warmwater 

 rivers, medium turbidity, moderate gradients, low elevation (2500-4000 ft.) gravel/cobble dominated with 

 silted side channels. Slim Butte River examples: Little Missouri. SF Moreau and Jones Creek #2. 

 Indicator ta.\a include; Corixidae. Cryplutcndipes. PlacohJella. Tubi/e.x. PruclaJius. 

 Cryptochirunomu.s. Slcmpelinella 



Appendix D - 2 



