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Agassiz, Louis, and J. Elliot Cabot. 



Lake Superior. Its Physical Characters, Vegetation, ana Animals. Boston, 

 Marcli, 1850. 428 pp. Edinburgh New Phil. Jour., 1850, (2,) xlix. 25 

 -33, 398, 399; Am. Jour. Sci., 1850, (2,) x. 83-101. 

 Akermann, H. W. 



Die Kupferluhrenden Schicbteu ani Lake Superior. Sitzungs-Berichte der 

 uaturwisseuschat'tiicheu Gesellschaft Isis in Dresden, 1875, pp. 101 - 105. 

 Alger, Francis. 



PseudoiHorphic Crystal of Native Copper from Copper Palls Mine, Lake Su- 

 perior. Proc. Post. Soc. Nat. Hist., 1861, viii. 170, 171. 

 Andrews, Israel D. 



Ou the Trade and Commerce of the British North American Colonies, and 

 upon the Trade of the Great Lakes and Rivers. Sen. Docs., 1st Scss. 32d 

 Cong., 1851-52, xi., No. 112, 906 pp. Contains a report by C. T. 

 Jackson. 

 Anonymous. 



Miciiigau : its Commerce and Resources. Hunt's Merch. Mag., 1812, vi. 



333-348. 

 The Copper Mines of Lake Superior. Hunt's Merch. Mag., 1846, xiv. 439- 



443. 

 Ancient Mining on Lake Superior. Hunt's Merch. Mag., 1848, xix. 663. 

 Elevation of an Island in Lake Superior. Ann. of Sci. Discov., 1851, 255. 

 The Copper and Iron Region of Lake Superior. Review of the Work of 



E. C. L. Koch. Mining Mag., New York, 1853, (1,) 261-268. 

 The Silver of the Lake Superior Mineral Region. Mining Mag., New York, 



1853, (1,) i. 447-454, 612, 613 ; ii. 82, 83. 

 Notice of a Geological Map of the United States, etc., by Jules Marcou. Am. 



Jour. Sci., 1854, (2,) xvii. 199 - 206. 

 Mineral Wealth of the Lake Superior District. Ann. of Sci. Disc, 1855, 



309, 310. 

 Mineral Region of Lake Superior. Mining Mag., 1858, (1,) ii. 248-252. 

 Great Mass of Native Copper. Min. and Smelt. Mag., 1864, vi. 25, 26; Am. 



Jour. Sci., 1864, (2,) xxxvii. 431. 

 Canada. A Geographical, Agricultural, and Mineralogical Sketch. Published 

 by authority of the Bureau of Agriculture. Quebec, 1865, 33 pp. 

 Barnes, George O. 



Src Charles T. Jackson. 

 Bartlit, William, and David Tod. 



Mineral Regions of Lake Superior. Senate Docs., 1st Sess. 29th Cong., 

 1845 - 46, iv.. No. 160, pp. 20 - 25. 

 Bayfield, H. W. 



Outlines of the Geology of Lake Superior. Trans, of the Lit. and Hist. Soc. 



of Quebec, 1829, i. 1-43. 

 On the Junction of the Transition and Primary Rocks of Canada and Labra- 

 dor. Quart. Jour. Geol. Soc, 1845, i. 450 - 459. 



