Figure 11.- -Movements of bottles released along the transect, Frankfort to Kewaunee, 

 July 30, from Kewaunee to Port Washington, August 12, and off Muskegon, August 17, 

 1931. 



near Thompson, Michigan, and the most 

 southerly one about 7 miles south of Port 

 Washington, Wisconsin. 



Kewaunee to Port Washington 



Thirty-three bottles (table 12) were thrown 

 overboard along the Wisconsin shore (fig. 11) 

 on August 12, 1931, and one on August 17 off 

 Muskegon. The last bottle was recovered 320 

 days later and 190 miles distant at Beaver 

 Island. Fifteen bottles (44 percent) and eight 

 (24 percent) with drags were recovered. Dur- 



ing a period of 8-48 days, averaging 15.6, the 

 14 bottles dropped August 12 had floated 

 minimum distances along Wisconsin from 

 12-67 miles, averaging 34.4. All of them had 

 floated southwest from about 3 miles south 

 of Two Rivers to Cudahy, Wisconsin. 



Escanaba to Menominee 



Twenty-five bottles (table 13) were released 

 in Green Bay from Escanaba to Menominee on 

 May 9, 1932 (fig. 12). Sixteen (64 percent) 

 were discovered along the shore or in the 



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