72 



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 The Lafayette Formation (U. S. Geol. Surv., 12th Report, Part 



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Mills, Robert. 



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Mitchell, Elisha. 



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Mitchell, Sam. L. 



Observations on the Geology of North America, Illustrated by 

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Packard, A. S., Jr. 



Geologv of the Phosphate Beds of South Carolina (Essex Inst., 

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Results of Observations on the Drift Phenomena of Labrador 



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Penrose, R. A. F., Jr. 



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Porter, Timothy D. 



Cursory Notice of Some Parts of North and South Carolina 

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Rogers, H. D. 



On American Geology and Present Conditions of Geological 

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