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Age of tlie Sandstone of Lake Superior. Bull. See. Geol. France, 1849 - 50, 



(2,) vii. 209. 

 See Louis Cordier. 

 Bell, Robert. 



Geology of Lake Superior and Nipigon. Geol. of Canada, 186G-C9, pp. 



313 -3Gi. 

 Report on the Country North of Lake Superior, between the Nipigon and 



Micliipicoten Rivers. Geol. Surv. of Canada, Rep. of Prog., Ottawa, 



1870-71, pp. 322-351. 

 Report on the Country between Lake Superior and the Albany River. Geol. 



Surv. of Canada, Rep. of Prog., Montreal, 1871-72, pp. 100-114. 

 Report on the Country between Lake Superior and Lake Winipeg. Geol. 



Surv. of Canada, Rep. of Prog., Montreal, 1872 - 73, pp. 87- 111. 

 The Mineral Region of Lake Superior. Canadian Nat. and Geol., 1875, (2,) 



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 Report on an Exploration in 1875, between James Bay and Lakes Superior and 



Huron. Geol. Surv. of Canada, Rep. of Prog., 1875-70, pp. 294 - 342. 

 Report on Geological Researches North of Lake Huron and East of Lake Su- 

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 Bell, William H. 



Mineral Lands of the L^pper Mississippi. Executive Docs., 1st Sess. 28th 



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 Bigsby, John J. 



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 Notes on the Geography and Geology of Lake Superior. Quart. Jour. Sci. 



and Arts, 1824-25, xviii. ]-34, 228-209. 

 On the Erratics of Canada. Quart. Jour. Geol. Soc, 1851, vii. 215-238, 



with map. 

 On the Physical Geography, Geology, and Commercial Resources of Lake 



Superior. Edinburgh New Phil. Jour., 1852, liii. 55-62; Am. Jour. 



Sci., 1852, (2,) xiv. 138 ; Proc. of the Royal Institution, 1852, i. 154-102. 

 On the Organic Contents of the Older Metamorphic Rocks: a Review and a 



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 Billings, E. 



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 Blake, William P. 



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 The Mass Copper of Lake Superior Mines and the Method of Mining it. 



Trans. Am. Inst. Min. Engineers, 1875, iv. 110-112. 

 Blandy, John F. 



To])ography with especial Reference to the Lake Superior Copper District. 



Trans. Am. lust. Min. Engineers, 1871, i. 75-82. 



