178 



Page. 



Steamer Whitehorse in the Five Fingers rapids 88 



Typical scene on Yukon river near Selwyn 92 



Dawson 94. 



A typical scene on the Dawson wharf during the summer 



season 96 



A steamer with barge attached starting down river from 



Dawson 98 



Shovelling-in on Dominion creek 105 



A dredge in process of construction 107 



Hydraulicing on Lovitt gulch Ill 



Hydraulicing on American hill 113 



Dredge No. 2, belonging to the Boyle Concession Limited, 

 operating on the Boyle Concession in the Klondike 



valley 115 



Granville Power Company's power house in the valley of the 



Klondike near the mouth of the North Fork 117 



A property on Hunker creek, being worked by individuals 



by means of a self dumping equipment 119 



Relief map of Glacier bay and Lynn canal 123 



Muir glacier in 191 1 125 



Muir glacier in 191 1. Ice resting on outwash gravels con- 

 taining logs. Nearly 8 miles north of position of ice 

 front in 1899. The ice here was over 1,200 feet thick 



in 1892 126 



Stumps of buried forest, Muir inlet, Glacier bay 127 



View of model of region including Yakutat bay and Malas- 



pina glacier 1 34 



Barnacles and mussels attached to the ledges uplifted in 



the 1899 earthquake 137 



Photograph of parallel step faults near Nunatak glacier. . . 138 



Photograph of one fault with throw of 4^ feet, made in 1899 



earthquake 1 38 



Photograph of elevated sea cliff and rock beach on eastern 

 side of Haenke island, hoisted 17 ft. 7 inches in 1899 



earthquake 1 40 



Photograph of Hubbard glacier and 10,000 to 15,000 foot 

 peaks of St. Elias range, from crest of Haenke island in 



1910 142 



Photograph of Nunatak glacier from crest of Nunatak, 

 showing retreat from 1905 to 1909 and advance from 

 1909 to 1910. Subsequently there has been a retreat of 



I mile 145 



Photograph of Nunatak glacier in 1909 from cairn on north- 

 ern side of fiord 147 



Four photographs from exactly the same site (cairn), show- 

 ing Nunatak glacier in 1899 (Gilbert), 1905 (Tarr and 

 Martin), 1906 (Tarr), and 1910 (Martin). Recession 



of 9,900 feet, 1 1 miles or 3 kilometers 149 



Variegated glacier with covering of ablation moraine and 



its interior flat I5 1 



The ice of Variegated glacier, covered with ablation moraine 



and small shrubs 154 



