DAETON.] 



NOETH AMERICAN GEOLOGY. 



641 



Michigan— Continued. 



1886. Iron ores, Putnam. 



Report of division of chemistry, 

 Clarke, F. W. 



Origin of schists and iron ores, 

 Irving, R. D. 



Cambrian system of North Amer- 

 ica, Walcott. 



Temperature observations in cop- 

 per mines, "Wheeler, H. A. 



1887. Map of United States, Hitchcock, 



C.H. 

 Gogebic iron region, Eng. and 



Mining Jour. 

 Is there a Huronian group, Irving, 



R. D. 

 Iron ores of Menomonee range, 



Fulton. 

 Keweenawan system. Wads- 

 worth. 

 Chapin iron mine, Larsaon. 

 Archean of the Northwest, Win- 



ohell, A. 

 Field studies in the Archean, 



Winchell, A. 



1888. Classification of Cambrian and 



pre-Cambriau, Irving. 



Coal, Ashburner. 



Correlation of Animikie and Hu- 

 ronian, McKellar. 



Gold fields, Parker. 



Granite and quartzite contact at 

 at Ironwood, Winchell, N. H. 



Great primordial quartzite, Win- 

 chell, N. H. 



Supposed fossil in copper rooks, 

 Wadsworth. 



Relations at Torch Lake, Wads- 

 worth. 



Irving and Cliamberlin on Lake 

 Superior sandstone, Am. Geol. 



Lake beaches, Ann Arbor, Spen- 

 cer, J. W. ; Woolbridge. 



Metamorphism of eruptives on 

 south shore of Lake Superior, 

 Williams, G. H. 



Post-glacial geology of Ann Ar- 

 bor, Woolbridge. 



Report — Lake Superior division, 

 United States Geological Sur- 

 vey, Irving, E. D. 



River-lake system of western 

 Michigan, Woolbridge. 



1889. Raised beaches of Lake Michi- 



gan, Leverett. 



Bull. 127 41 



Michigan — Continued. 



1889. Granite of the Northwest, Hall, 



C. W. 

 Penokee-Gogebic irou ores, Van 



Hise. 

 Phosphate in Ludington mine, 



Browne. 

 Building stones, Merrill, G. P. 

 Schists of Marquette-Menominee 



region, Williams, G. H. 



1890. Analysis of novaculite from Mar- 



quette, Hillebrand. 



Analysis of porphyry from Pigeon 

 Point, Eakins. 



Analyses of rocks collected by 

 Irving, Hillebrand. 



Analyses of rocks from Penokee- 

 Gogebic range, Chatard. 



Copper mining district, Eng. and 

 Mining Jour. 



Distribution of bowlders, Win- 

 chell, A. 



History of Niagara River, Gil- 

 bert. 



Macfarlane's Railway Guide, Win- 

 chell, A. 



Report — Lake Superior division, 

 United States Geological Sur- 

 vey, Irving. 



Greenstone schists, Marquette 

 and Menominee region, Wil- 

 liams, G. H. ; Irving, R. D. 



Warren's Geography, Brewer. 



Origin of basins of the Great 

 Lakes, Spencer, J. W. 



Lake Michigan glacier and chan- 

 nels, Guthrie. 



Penokee iron series, Irving and 

 Van Hise. 



1891. A last word with the Huronian, 



Winchell, A. 



American opinions on the older 

 rocks, Winchell, A. 



Conditions controlling artesian 

 well borings. Hall, C. W. 



Cambrian of North America, 

 Walcott. 



Crystallines of Lake Superior re- 

 gion, Irving, Chamborlin and 

 Van Hise. 



Devonian and Carboniferous, cor- 

 relation, Williams, H. S. 



Fauna of lower Cambrian, Wal- 

 cott. 



Geology of Marquette iron region 

 Brooks. 



