INDEX. 
71 
Page. 
Silt deposits, occurrence and character 
of . 18 
Spurr, J. E., cited on coal at Drew mine. 40 
cited on coal in Yukon district 11 
cited on geology of Yukon region 14 
cited on lignite at the Palisades 43 
cited on Twel venule beds 17 
cited on volcanic rocks 18 
cited on Yukon silts 17 
reference to 16 
Stanton, T. W., fossils determined by 16 
work of 10 
Steamers, fuel used by.. 13 
on Yukon River, views of 14 
Steiger, George, analysis by 49 
Stratigraphy along Yukon River 15-19 
Taff, J. A., cited on discrimination of lig- 
nite from bituminous coal 59 
Tahkandit series, occurrence and char- 
acter of 16 
Thein mine. See Williams mine. 
Tramway bar, coal near 48-49 
Transportation facilities, extent of 12-13 
Twelvemile beds, occurrence of. 17 
Volcanic rocks, occurrence of 18 
Washington Creek, coal on 28-32, 65 
sections on 30 
Page. 
Washington Creek coal basin, map of 29 
White Horse Rapids, coal near 22 
Williams, W. E., acknowledgments to... 10 
information furnished by 34, 35 
Williams mine, barge loading coal at, 
view of 56 
coal at. _ 55-56, 65 
view of -. 36 
Wolf Creek, coal on 27 
Wood, N". H., information furnished by . 44 
quoted on coal from Drew mine 40-41 
Wood, price of 67 
steamer loading, view of 14 
use of, on steamers 13 
Yukon coal field, future of, outlook for. (J7 
Yukon coals, character and value of 64-65 
classification of 58-64 
Yukon River, banks of, view of 12 
coals from southern Alaska, British 
Columbia, Pacific coast, and 
average analyses of 64 
geography of basin of... 11-13 
geology of valley of, sketch of 13-19 
map, economic, of 10 
steamers on, views of 1 4 
Yukon silts, occurrence and character of. 18 
Yukon stratigraphy, table showing 15 

