Part I. 



Density distributions for commercial mussel species from 



Sylvan Slough (RM 485.8), Case-IH (RM 488.6), and 



Illiniwek (RM 492.4), 1994-95. 



Description 



Page 



Figure D-1 

 Figure D-2 

 Figure D-3 

 Figure D-4 



Amblema plicata - Threeridge 

 Megalonaias nervosa - Washboard 

 Quadrula qiiadrula - Mapleleaf 

 Quadrula pustulosa - Pimpleback 



D-3 

 D-4 

 D-5 

 D-6 



Page D-2 



Whitney et al., Unionid Survey - Reach 1 5 UMR 



