FIRST BIENNIAL RERORT 



OF THE 



PROCURESS 



OF THE 



GEOLOGICAL SURVEY 



OP MICHIGAN, 



EMBRACING OBSERVATIONS ON THE 



GEOLOGY, ZOOLOGY AND BOTANY 



OF THE 



LOWER PENINSULA 



-.<->-*i^ ♦- 



MADE TO THE GOVERNOR, DECEMBER 31, 1860. 



J^ij. ylu//ia. < i//j. 



LANSING: 

 Hosmcr <fe Kerr, Printers to the State. 



186L 



