48 



CATALOGUE AND INDEX OF 



[HL-LL. 12?. 



Archeaii and Algonkian — Contiuued. 

 GKBA.T Lake Region. (Michigan, Wis- 

 consin, Minnesota, and Canada ad- 

 joining lakes Superior and Huron.) 



1821. Travels through the Northwest, 



Sclioolcraft. 



Formations of western part of 

 Mississippi Valley, Jaesm, 

 E.P. 



Native copper on south shore of 

 Lake Superior, Schoolcraft. 



Observations on northwest por- 

 tion of Lake Huron, Bigshy. 



1822. Copper mines of south shore of 



Lake Superior, Schoolcraft. 



1824. Minerals on north coast of Lake 



Superior, Delafield. 

 Expedition to sources of St. 



Peters River, Keating. 

 Notes on Lake Huron, Bigsby. 



1825. Notes on Lake Superior,Bigsby . 

 1829. Geology of Lake Superior, Bay- 

 field. 



1834. Expedition to Itasca Lake, 

 Schoolcraft. 

 Report on copper of Lake Su- 

 perior, Houghton. 

 Expedition to northwest In- 

 diana, Allen and Schoolcraft. 

 1836. Reconnaissance from Washing- 

 ton through Wisconsin to Co- 

 teau des Prairies, Feather- 

 stonhaugh. 

 Region around Fort Winne- 

 bago, Wis., Ruggles. 



1839. Report on Wayne and Monroe 



counties, Mich., Hubbard, B. 



1840. Third report of State geologist 



of Michigan, Houghton. 



1841. Veins of northern peninsula of 



Michigan, Houghton. 

 Fourth report of geologist of 

 Michigan, Houghton. 



1842. Fifth report of geologist of 



Michigan, Houghton. 



1843. Age of Lake Superior copper 



rocks, Houghton. 

 Region of basin of the Upper 

 Mississippi, Nicollet. 



1844. Influence of icebergs upon 



drift, Hayes, J. L. 



1845. Mineral lands of Lake Supe- 



rior, Sanders, G. N. 

 Report on mineral lands of 

 Lake Superior, Stockton. 



Archean and Algonkian — Continued, 

 Gkkat Lake Region — Continued. 



1845. Cuivre et d'argent natifs des 



bords du lac Sup6rieur, Jack- 

 son. 



Copper mines of Lake Superior, 

 Ruggles, D. 



Copper of Keweenaw Point, 

 Jackson, C. T. 



1846. Mineral regions of Lake Supe- 



rior, Bartlett and Todd. 



District south of Lake Supe- 

 rior, Burt, Hubbard. 



Analyses, sale of mineral lands, 

 Lake Superior, Jackson. 



Agriculture of New York, Em- 

 mons, E. 



Reports on south shore of Lake 

 Superior, Houghton and Bris- 

 tol. 



Report on mineral lands of 

 Lake Superior, Gray, A. B. 



Report on mineral lands in 

 Michigan, Relfe. 



Geology of Porters Island and 

 Copper Harbor, Locke. 



Observations on magnetic dip, 

 Locke. 



1847. Mining in region of Lake Su- 



perior, Logan. 



Bowlder of copper on southern 

 shore of Lake Superior, 

 Shepherd, F. 



North shore of Lake Superior, 

 Logan. 



Copper districts of Lake Su- 

 perior, Pettit. 



Basalt on northern shore of 

 Lake Superior, Duttou, T. R. 



Report of survey of AVisconsin 

 and Iowa, Owen, D. D. 



Report on Lake Superior dis- 

 trict, Murray, A. 



1848. Phenomena on south shore 



of Lake Superior, Rogers, 



H.D. 

 Work in northern peninsula of 



Michigan, Whitney, J. D. 

 Gediegen Kupfer niit gediegen 



Silber, Noggerath. 

 Lake Superior mining district, 



Jackson, C. T. 

 Reconnaissance of Chippewa 



district of Wisconsin, etc., 



Owen, D. D. ; Norwood. 



