C A N A 



LEGEND 



• neconca or vccimcns 



•CTU«LLT L«*MINeo 

 O «CCD<>Oi& BAXD ON LITEB. 



WATCKSHEO L> 

 |:"-::| CL<CI»|. L«M DEPOSITS 



Of CL«T A HO 



LOWE* PCmMSUi.* 



— — ..LIWC «P*"01rMAr£L» V**II*TIHC 

 BILT LO*L*N0 mOM POt C*MS»i 



OPL4110 ■■• ypeta pcmihsia^ 



A Lire CYCLE ESTABLISHED 

 INLAND LAKE 



t^BAHRlER TO MIGRATION 



Figure 3 •--Distribution of migrating and spav;ning sea lampreys 

 observed or reliably reported in Michigan streams 

 in 19li7 and 19h8. 



12 - 



