224 ALASKAN MINERAL RESOURCES IN 1906. 
Analysis of coal from Healy Creek. 
Moisture. 13 
Volatile matter 18 
Fixed carbon .' 32 
Ash. 5 
Sulphw 
Section on Healy Creek ..' miles above mouth. 
F 
( >verlying sands, days, and gravels - 2, ;">() 
Coal. , 
Sands. 
Coal. 
Sands. 
( !oal (shaly) 
Sands. 
Coal 
Sands and clays with I wo thin beds of coal 
Coal 
Sands. 
< !oal 
Sands 
Coal. 
Sands 
Coal 
Sands and clays 
Coal 
Sands and day-. 
I oal i two beds) 
White sand- and -ia\ els 
Brown earthy shales 
Coal 
« lovered 
Coal. 
I >ark -hale- and red -and. -i one formed by burning of the coal 
Reddish sands with fine while gravel I 
Coal 
Covered 10' 
Coal 1 
Fine sandstone, white -and. and clay 1 
Coal 
I lay and nodules of sandstone 1 
Alternating beds of -and and gravel 3 
Clay, sand, and sandstone 1 
Well-rounded gravel mixed with -and and day 2 
( lay and sand 
Well-rounded fine wash of quartz and cherl 10 
Total coal, 230 feet. 
