DABTON.] 



NORTH AMERICAN GEOLOGY. 



637 



Michigan— Continued. 

 1851. Silurian and Devonian, iron 

 region of Lalie Superior, Hal), J. 



Fractures of slate, Vermont and 

 Lake Superior, Whitney, J. D. 



On elevation of mountain chains, 

 Foster and Whitney. 



Age of red sandstones of the 

 United States, Jackson, C. T. 



Geology of Lake Superior land 

 districts, iron region, Poster 

 and Whitney. 



Fossils of Lake Superior land 

 district, iron region, Hall, J. 



Dip, thickness, etc., of Silurian, 

 Whittlesey. 



Remarks on analysis of lower 

 Silurian limestone, Hall, J. 



Superficial deposits, Lake Supe- 

 rior land district, Desor. 



Beaches of Lake Michigan, Whit- 

 tlesey. 



Section from Wolf River to Lake 

 Michigan, Whittlesey. 



Drummonds Island and north 

 shores of Lakes Huron and 

 Michigan, Hall, J. 



Age of sandstone, and igneous 

 phenomena of Lake Superior, 

 Foster and Whitney. 



Superficial deposits of northwest- 

 ern United States, Whittlesey. 



Systems of elevation of North 

 America, Foster and Whitney. 



Geology of Government lauds of 

 Lake Superior, Whitney. 

 a.852. Wisconsin south of Lake Supe- 

 rior, Whittlesey. 



Geography, geology, and re- 

 sources of Lake Superior, 

 Bigsby. 



Report on trade of the Great 

 Lakes and rivers, Jackson, C. T. 



Sur la carte g^ologique du Lac 

 Sup^rieurde Foster et Whitney, 

 Desor. 



Geologic map of United States, 

 etc., Marcon, J. 



MetallfUhrender Distrikt am 

 Obern-See, Jackson, C. T. 



1853. Map of Keweenaw Point, Whit- 



ney. 



1854. Min-s des Etats-Unis et sur le grfes 



rouge du Lac Sup6rieur, Jack- 

 son, C. T. 



Michigan — Continued. 

 3854. Drift etchings. Lake Superior, 

 Whittlesey. 



Geologic map of United States, 

 by Marcon, Am. Jour. Sci. 



Dunes on shores of the lakes, 

 Desor. 



Mineralregionen der oberen Halb- 

 iiisel Michigan und die Isle 

 Royale, Koch. 



Lake Superior copper mines, Cal- 

 lender. 



Prospects of Lake Superior min- 

 ing district, Stevens, W. H. 



Silurian system, Lake Superior 

 district, Hall, J. 



Structure of western upper Can- 

 ada, Logan. 



1855. Catalogue of rocks from survey 



of Michigan, Jackson, C. T. 

 Shell marls of Michigan, Win- 



chell, A. 

 Catalogue of rooks, Locke. 

 Voyage an Lac Sup^rieur, Rivot. 

 Ueber die Geologic von Nord- 



Amerika, Marcon, J. 

 Esquisse g^ologique du Canada, 



Logan and Hunt. 

 American geology, Emmons, E. 

 Mineralreichthum der Vereinig- 



ten Staaten, Diffenbach. 

 Gisement du ouivre uatif an Lao 



Sap^rieur, Rivot. 

 Catalogue of rocks, etc., from 



Portage Lake to Montreal 



River, Whitney, J. D. 



1856. Notice sur le Lac Sup6rieur, 



Rivot. 

 Kupfererz-L agerstatten am 



Oberen Sees, Eivot. 

 Cupriferous rooks. Eagle River, 



Jackson, C. T. 

 Kupfer-Distrikte, Lake Superior, 



Posselt. 

 Ash bed of Phoenix mine, Dupee. 

 Geology of north shore of Lake 



Superior, Whitney. 



1857. Kupfermine, Michigan, Miiller. 

 Mines de fer des fitats-Unis, 



Delesse. 

 Common rocks of the British 

 provinces, Billings. 



1858. Kupferbergbau in den Vereinig- 



ten Staaten, Diffenbach. 

 Coal fields of United States and 

 British provinces, Rogers, H. D. 



