TO DAVID DALE OWEN, M.D., 



UNITED STATES GEOLOGIST. 



Sir: In compliance with your instructions, bearing date the 30th April, 1849, 

 I herewith submit a Report of the Geological Survey made by me in that part of 

 Wisconsin bordering on Lake Superior, and lying between the Michigan boundary 

 and the Bois Brule River, and the sources of the streams flowing into Lake Superior 

 from the south. 



Yours, &c, 



CHARLES WHITTLESEY. 



