Table G-1 : Number of years for five mussel species fi-om Reach 15 of the Upper Mississippi River to 

 reach minimum commercial size limit. Age determination based on polynomial regression 

 formulas (Table G-3), 



Table G-2 : Estimated number of years for five mussel species to reach sexual maturity in Reach 15 of the 

 Upper Mississippi River. Values based on observed decrease in distance between growth 

 bands on individual mussels collected in 1994-95. 



Page G-3 



Whitney et al., Unionid Sur\ev - Reach 1 5 UMR 



