INDEX. 



139 



Page. 



Spurr, J. E., exploration by 30 



plan of exploration proposed by 12 



Stanton, T. W., fossils identified by 76,81 



work of 14 



Steiger, George, analyses by 114 



work of 14 



Stokes, H. N., work of 14 



Stoney, G. M., cited on break-up of ice 16 



cited on coal on Colville River 109 



cited on Endicott Range 67 



meteorologic observations by 123-125 



Streams. See Drainage. 



Structure of Anaktuvuk series 75-76 



of Anaktuvuk series, plate showing 70 



profile showing 46 



of Bergman series 78 



of Colville series S2 



plate showing 80 



of Corwin series 73 



of Fickett series 69-70 



of Koyukuk series 77 



of Lisburne formation 64 



of Nanushuk series 80 



plate showing 80 



of Paleozoic rocks 55-56 



of Skajit formation 56-67 



of Stuver series 61-S2 



of Totsen series 59 



Stuver, C. H., work of 71 



Stuver series, age and correlation of 62, 97 



character and occurrence of 60-61 



structure of 61-62 



Temperature. See Climatic conditions. 



Tertiary coastal plain, river bluffs in, view of 48 



Tertiary rocks, description of 81-83 



Thetis mines, coal at Ill 



Tides on Arctic coast 49 



Till, occurrence of 84-90 



Till Creek, till on 84 



Timber, occurrence of 19 



Topographic work, methods of 24-25 



Totsen series, character and occurrence of 58-59 



structure and age of 59 



correlation of 59, 97 



Page. 

 Totsen series, metalliferous mineralization in, zones 



of 105 



Totsenbet River, name of, note on 58 



See John River. 



Tramway Bar, coal near, analysis of 114 



coal near, occurrence of 107 



gold at, occurrence of 100 



production of . 102 



Transportation, method of 14-15 



method of, on Arctic coast 37 



on Koyukuk River 34 



Travel. See Transportation. 



Tuluga River, glacial deposits near 88 



Turner, aid by 20 



Turner, J. H., exploration by 29 



work of .' 11 



Twelvemile Creek, gold on, production of 102 



Uglaamie, precipitation at 123 



temperature observations at 122 



Union Gulch, gold in, production of 102 



nugget from, size of 101 



Wainwright Inlet, coal at 110 



coal from, analysis of 114 



Corwin series near 73 



fossils from, list of 74 



Ward, L. F., fossils identified by 74 



work of 14 



Weather. See Climatic conditions. 



White, David, fossils identified by 71,114 



Wight, W. F., plants identified by 130-134 



Wild Creek, lead on 105 



Willow Creek, till near 87-8S 



Wind. See Climatic conditions. 



Woolfe, H. D., cited on coal at Wainwright Inlet 110 



fossils collected by 74 



quoted on coal at Cape Beaufort Ill 



Work, methods of 14-18 



Yukon, Fort, meteorologic observations at 115 



Yukon Basin, fossils from 81 



Yukon Plateau, age of 43 



profile showing Endicott and Koyukuk plateaus 



and 44 



Yukon River, meteorologic observations on 121 



Zagoskin, A., exploration by 27 



o 



