140 



CATALOGUE AND INDEX OP 



[BUI.T-. 127. 



Cambrian — Continued. 

 Lakes Supbrior, Michigan, and Hu- 

 ron Region— Continued. 

 1836. Region around Port Winne- 

 bago, Wis., Rnggles. 



1839. Analysis of catlinite, Jackson, 



C.T. 



1840. Journey to Coteau des Prairies ; 



pipestone quarry and granite 

 bowlders, Catlin. 

 Third report of State geologist 

 of Michigan, Houghton. 



1841. Fourth report of geologist of 



Michigan, Houghton. 

 Veins of northern peninsula of 

 Michigan, Houghton. 

 1843. Age of Lake Superior sand- 

 stones and limestones, 

 Houghton. 

 Region of basin of the upper 

 Mississippi, Nicollet. 



1845. Copper of Keweenaw Point, 



Jackson, C. T. 



1846. Agriculture of New York, Em- 



mons, E. 

 District south of Lake Supe- 

 rior, Burt and Hubbard. 



1847. Report of survey of Wisconsin 



and Iowa, Owen, D. D. 



Mining region of Lake Supe- 

 rior, Logan. 



Bowlder of copper on southern 

 shore of Lake Superior, Shep- 

 herd, P. 



Observations on upper penin- 

 sula of Michigan, Locke. 



1848. Phenomena on south shore of 



Lake Superior, Rogers, H. D. 



Reconnaissance of Chippewa 

 district, Owen, D. D. ; Nor- 

 wood. 



On geology of Wisconsin, 

 Owen, D. D. 



1849. Surveys on Lake Superior, 



Burt, Hubbard, B. 

 Isle Royale, Dickerson, Mcln- 



tyre. 

 Explorations in Lake Superior 



district, Foster and Whitney, 



Hubbard, Poster, Burt. 

 Notes on northern Michigan 



and Isle Royale, Foster, J. W. 

 Features of part of Keweenaw 



Point, Barnes, G. O. 

 Douglass Houghton location, 



GibbB, W. 



Cambrian— Continued . 

 Lakes Superior, Michigan, and Hu- 

 ron Region — Continued. 



1849. Surveys in Michigan, Locke. 

 Statistics of Keweenaw Point, 



Foster and Hill. 

 Report on northern Michigan, 



Whitney, J. D. 

 District between Portage Lake 



and the Ontonagon, Whit- 

 ney. 

 Reconnaissance from Sugar 



Island to Sault Ste. Marie, 



Channing. 

 Mineral lands in Michigan, 



Jackson, C. T. 



1850. Structure of Keweenaw Point, 



Jackson, C. T. 



G€ologie du district m6talUf6re 

 du lac Sup6rieur, Jackson, 

 C.T. 



Geology of Lake Superior cop- 

 per district. Poster and Whit- 

 ney. 



Geology of copper lands of Lake 

 Superior, Foster and Whit- 

 ney. 



Lake Superior, Agassiz, L. 



1851. Age of red sandstone of the 



United States, Jackson, C. T. 



Dip, thickness, etc , of Silurian, 

 Whittlesey. 



Age of sandstone and igneous 

 phenomena. Lake Superior, 

 Poster and Whitney. 



Paleontology of lowest sand- 

 stone of the Northwest, 

 Owens, D. D. 



Geology of Lake Superior land 

 district, Foster and Whit- 

 ney. 



Terrains Siluriens du lac Sup6- 

 rieur, Foster and Whitney, 

 Marcou, J. 



Fossils of LakiB Superior iron 

 district. Hall, J. 



Age of Lake Superior sand- 

 stones, Jackson, C. T. ; Beau- 

 mon*. 



Geology of southeast Wiscon- 

 sin, Lapham, I. A. 



Section from Wolf River to 

 Lake Michigan, Whittlesey. 



Ago of copper rocks of Lake 

 ■ Superior and physical struc- 

 ture of Canada, Logan. 



