142 



CATALOGUE AND INDEX OF 



[BDli. IB7. 



Cambrian — Continued. 

 Lakes Superior, Michigan, and Hu 

 KON Ebgion — Continued. 



1861. Report on geology of Min- 



nesota, Anderson and Clark. 

 Some points in American geol- 

 ogy, Hunt, T. S. 



1862. On primordial of America, 



Hall, J. 

 Report of survey of Wisconsin, 



Hall and Whitney. 

 Constitution of copper range of 



Lake Superior, Williams and 



Blandy. 



1863. Report of survey of Canada to 



1863, Logan. 

 Fossils from Potsdam of Wis- 

 consin and Michigan, Win- 

 chell, A. 



1865. Penokee range, Wisconsin, 



Whittlesey. 



Report of geologist of Minne- 

 sota, Hanchett. 



Iron ores of Marquette, Mich., 

 Kimball. 



1866. Hardin County, 111., Worthen 



and Engelmann. 



Map of Canada and part of 

 United States, Logan and 

 Hall. 



Geological map of Michigan, 

 Winchell, A. 



Reconnaissance in Minnesota, 

 Eames. 



Geology and minerals of Minne- 

 sota, Whittlesey. 



Geological map of Michigan, 

 Winchell, A. 



Physical features, general 

 principles, surface geology, 

 Illinois, Worthen. 



Stratigraphy, Tertiary coal 

 measures, sub-Caihoniferous, 

 Devonian, Silurian, Illinois, 

 Worthen. 



Geology of the lead region, 

 Whitney, J. D. 



Lower Silurian of North Amer- 

 ica, Logan. 



1867. Handbook of Minnesota, 



Blan chard. 

 Notice of fauna of Potsdam 

 sandstone, Hall, J. 



1868. Structure of southern Minne- 



sota, Hall, J. 



Cambrian — Continued. 

 Lakes Superior, Michigan, and Hu- 

 ron Region— Continued. 



1868. Occurrences of iron in masses, 



Whittlesey. 



Formations of Lake Superior, 

 MacFarlane, T. 



Position of sandstone of Ke- 

 weenaw Point, Agassiz, A. 



Formations of Lake Superior, 

 MacFarlane, T. 



1869. Vorsilurianieche Gebilde, 



Credner, H. 



Vorkommen des gedlegenen 

 Kupfers auf Keweenaw 

 Point, Credner. 



Trip to great Pipestone quarry, 

 White, C. A. 



Geology of portions of Minne- 

 sota, Hall, J. 



1870. Report on Lake Superior and 



Nlpigon, Bell, J. 

 Report of survey of Iowa, 



White, C. A. 

 Bell on Nipigon region, Logan. 



1871. Native copper of Lake Supe- 



rior, Henwood. 



Notizen aus Minnesota, Kloos. 



Geognosy of Appalachians, 

 Hunt, T. S. 



Derivation of copper and 'as- 

 sociates on Lake Superior, 

 Pumpelly. 



1872. Survey of vicinity of Belle 



Plaine, Minn., Winchell, A. 



Region about Devils Lake, 

 Wis., Eaton, J. H. 



Cretaceous basin in Sauk Val- 

 ley, Minn., Kloos. 



Age of copper rocks of Lake Su- 

 perior, Brooks andPumpelly. 



Age of quartzites, etc., of Sank 

 County, Wis., Irving, R. D. 



1873. Age of metamorphic rocks. 



Dodge County, Wis., Irving. 



General sketch of geology of 

 Minnesota, Winchell, N. H. 



Relations in Sauk County, 

 Wis., Eaton, J. H. 



Paleozoic rocks, upper Michi- 

 gan, Rominger, 



Iron-bearing rooks of Michigan, 

 Brooks, T. B. 



Examination of Lake Huron 

 region, Murray, Alex. 



