413 



SURFACE CURRENTS OF 



LAKE MICHIGAN 1931 AND 1932 



Marine Biological Laboratory 



x,i23:r j £.:r.'y 

 WOODS HOLE, MASS. 



SPECIAL SCIENTIFIC REPORT- FISHERIES No. 413 



UNITED STATES DEj>AJRJ^1E^TJ)M^^^ 



FISH AND WILDLIFE SERVICE 



