640 



CATALOGUE AND INDEX OP 



[bull. 127. 



Michigan — C ontinued . 



1879. Lake Superior copper rocks iu 



Pennsylvania, Blandy, Hunt, 



T. S. 

 North American Mesozoic and 



Cenozoic, Miller, S. A. 

 Michigan ; condensed popular 



sketch, Winchell, A. 

 Microscopic study of Huronian 



clay slate, "Wichmann. 



1880. Geology of Menominee iron re- 



gion, Brooke, Wright, C. E. 



Laurentian of Michigan, Cham- 

 berlin, T. C. 



Resources of Wisconsin, Irving, 

 R.D. 



Microscopy of iron rooks from 

 south of Lake Superior, Wich- 

 mann. 



Age of copper rooks of Lake Su- 

 perior, Wadsworth. 



Review of stratigraphy of eastern 

 Ohio, Orton. 



Lithology of Keweenawan sys- 

 tem, Pumpelly. 



1881. Map of Menominee iron district, 



Wright, C.E. 

 Menominee and Marquette iron 



region, Rominger. 

 Origin of iron ores of Marquette 



district, by Wadsworth, Dana, 



J.D. 

 Origin of iron ores of Marquette, 



Wadsworth. 



1882. Report of United States Geologi- 



cal Survey, Powell, J. W. 



Correlation of eastern and west- 

 ern terminal moraines, Cham- 

 herlin, T. C. 



The Potsdam sandstone Minne- 

 sota, Winchell, N. H. 



1883. Report on work on Quaternary 



geology, Chamberlin, T. C. 

 Pre-glacial channel of Eagle 



River, Whittlesey. 

 Copper rocks of Lake Superior, 



Irving, R. D. 

 Geologic history of the American 



continent, Hall, J. 

 Sandstones and the Keweenawan 



series, Wadsworth. 

 Equivalency of Catskill and 



Ponent, Lesley, J. P. 

 Terminal moraine of second gla- 

 cial period, Chamberlin, T. C. 



Michigan— Continued. 



1883. Classification of lake basins, 



Davis, W. M. 

 Kingsmill sandstone, Claypole. 

 Copper rocks of Lake Superior, 



Irving, E. D. 

 Filling of veins and cavities, 



Keweenaw Point, Wadsworth. 

 General geology of Wisconsin, 



Chamberlin, T. C. 

 Copper series of Lake Superior, 



Chamberlin, T. C. 



1884. Azoic system and its subdivi- 



sions, Whitney and Wadsworth. 



Enlargements of feldspar in 

 Keweenawan sandstones. Van 

 Hise. 



Michigan building stones, Con- 

 over. 



Eozoic rocks of North America, 

 Hunt, T. S. 



Copper and iron districts of Lake 

 Superior, Wadsworth. 



Relations of Keweenawan to east- 

 ern sandstone, Wadsworth. 



Kames near Lansing, Wooster. 



Recent changes iu western Mich- 

 igan, Woolbridge. 



Crystalline rocks of the North- 

 west, Winchell, N. H. 



1885. Pre-glacial channel of Eagle 

 River, Keweenaw Point, Whit- 

 tlesey. 



Geology of Ann Arbor, Win- 

 chell, A. 



Copper rocks of Lake Superior, 

 Irving, E. D. 



Junction of eastern sandstone 

 and Keweenaw series, Cham- 

 berlin and Irving. 



Map of the United States, McGee. 



Enlargement of fragments in cer- 

 tain rooks, Irving and Van 

 Hise. 



Divisibility of Archean iu the 

 Northwest, Irving, R. D. 



Origin of crystalline rocks. Hunt, 

 T.S. 



Topographic features of lake 

 shores, Gilbert, G. K. 



History of Taconio question and 

 relations of the rocks, Hunt, 

 T.S. 



Archean of the Northwest, Irv- 

 ing, R. D. 



