172 



37 "A reconnaissance across the Mac- 

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38. Klotz, Otto "Recession of Alaska glaciers": 



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39. Knopf, Adolph. . ."Mining in Southeastern Alaska": 



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40. Knopf, Adolph.. . ."The occurrence of iron ore near 



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 41 "Geology and mineral resources of 



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U. S. Geol. Surv., Bull. No. 446, 



1911. 

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U. S. Geol. Surv., Bull. No. 480, pp. 



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46. Martin, Lawrence "Alaskan earthquakes of 1899": 



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47 "The National Geographic Society 



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541- 



48 " Gletscheruntersuchungen langs der 



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49 "The filling of fiords in Alaska": 



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 Vol. Ill, 1913. 



