DABTOH.] 



NORTH AMERICAN GEOLOGY. 



145 



Cambrian — Continued. 

 Lakes Superior, Michigan, and Hu- 

 ron Region — Continued. 

 1885.. Sandstones of Taquamenah 

 Bay, Lake Superior, Win- 

 chell, N. H. 



Fossils from red quartzite at Pipe- 

 stone, Minn., Winchell, N. H. 



Copper rooks of Lake Superior, 

 Irving, Dana, J. D. 



Archean of the Northwest, 

 Irving. 



Deep well at Minneapolis, Win- 

 chell, N. H. 



"Wells at Mendota and St. Paul, 

 etc., Winchell, N. H. 



Hnmboldt salt well, Minnesota, 

 Winchell, N. H. 



Junction of eastern sandstone 

 and Keweenaw, Chamberlin 

 and Irving. 



Enlargement of fragments in 

 certain rocks, Irving and 

 Van Hise. 



Map of the United States, 

 McGee. 



Archean of the Northwest, 

 Irving, R. D. 



Revision of Cambrian in Min- 

 nesota, Winchell, N. H. 



Deep wells in Minnesota, 

 Winchell, N. H. 



Report Lake Superior division. 

 United States Geological Sur- 

 vey, Irving, E. D. 



1886. Fossils from red quartzites of 



Minnesota, Winchell, N. H. 



1887. Map of United States, Hitch- 



cock, C. H. 

 Ores of Menominee range, Ful- 

 ton. 



1888. Great primordial quartzite, 



Winchell, N. H. 



Irving and Chamberlin on Lake 

 Superior sandstone, Ameri- 

 can Geologist. 



Animikie black slate and 

 quartzite, Winchell, N. H. 



Carver, Scott, Sibley, Nicollet, 

 Chisago, Isanti, Anoka, Ot- 

 tertail, Millelacs, Kanabce, 

 Pine and Becker counties, 

 Minn., Upham, 



Relations of Keweenawan at 

 Torch Lake, Mich., Wads- 

 worth. 

 Knll 197 in 



Cambrian — Continued. 

 Lakes Superior, Michigan, and Hu- 

 ron Region — Continued. 



1888. Wabasha, Goodhue, Dakota, 



Hennepin, and Washington 

 counties, Minn., Winchell, 

 N.H. 



1889. Artesian wells in Minnesota, 



Hall, C. W. 



Descriptions of some maps, Up- 

 ham. 



Fossils in red quartzite, Minne- 

 sota, Winchell, N. H. 



Minneapolis, and St. Paul, 

 Minn., region. Hall, C. W. 



Stillwater deep well, Minne- 

 sota, Meades. 



Position of olenellus, Walcott. 



1890. Artesian waters from the drift, 



Rolfe. 



Menominee and Marquette re- 

 gions, Irving. 



Macfarlane's Railway Guide, 

 Chamberlin, Winchell, A. 



Fauna of Lower Cambrian, Wal- 

 cott. 



1891. Relations of Eastern sand- 



stones, Keweenaw Point, 

 Wadsworth. 



Genesis of iron ores, Kimball. 



South trap range, Wadsworth. 



Cambrian of North America, 

 Walcott. 



American opinion on the older 

 rocks, Winchell, A. 



Record of observations, Win- 

 chell, N. H. 



Marquette and Keweenaw dis- 

 trict, Wadsworth. 



Hennepin County, Minn., Win- 

 chell, N. H. 

 Dakota, Iowa, Nebraska. 



1821. Sketches of the Mississippi, 

 James, E. 



1858. Fossils of Nebraska, Black 



Hills, Meek and Hayden. 



1859. Explanation of map of Ne- 



braska, etc., Hayden. 

 Remarks on geology of Black 

 Hills, Meek and Hayden. 



1861. Geology at headwaters of the 



Missouri, Hayden. 



1862. Fossils from Nebraska, Meek 



and Hayden. 

 1867. Geology of northwest Dakota, 

 Hayden. 



