REPORT OF THE STATE GEOLOGIST. 



To His Excellency Moses Wisneb, 



/■ of the Stale of 3[ichigan: 



I have tlic honor to submit herewith, the Report required of 



y the terms of the Legislative act, approved February 15, 



and entitled "An ad to finish the Geological Survey of 



<.t.\" This Report is intended to set forth tlie progress 



of ^le geological survey during the years 1859 and 1860. 



Allow me, in communicating this Report, to acknowledge the 

 many personal kindnesses received at your hands, and the ap- 

 preciative interest which you have always manifested in the 

 progress of the work. Whatever useful results may be here 

 embodied, are due in no small degree to your connexion with 

 the origin and energetic prosecution of the sun 

 I have the honor to be, 



Your most obedient servant, 

 A. AY] Ml I ELL, 



Slate Geologist. 

 Ann Arbor, December 31, 18G0. 



