SUMMARY NAEllATIVE 



EXrLORATOHY EXPEDITION 



SOURCES OF THE MISSISSIPPI RIVER, 



IN 1830: 



RESUMED AND COMPLETED, 



BY THE 



DISCOVERY OF ITS ORIGIN IN ITASCA LAKE, IN 1832. 



Cn ^utl)oritB of tl)g Uniteb States. 



WITH APPENDICES, 



COMPRISING THE 



ORIGINAL REPORT ON THE COPPER MINES OF LAKE SUPERIOR, AND OBSERVATIONS 

 ON THE GEOLOGY OF THE LAKE BASINS, AND THE SUMMIT OF THE MISSISSIPPI; 



TOGETHER -VVITII 



ALL THE OFFICIAL REPORTS AND SCIENTIFIC PAPERS OF BOTH EXPEDITIONS. 



By henry R. SCHOOLCRAFT. 



PHILADELPHIA: 

 LIPPINCOTT, GRAMBO, AND CO 



1855. 



