189

good-grade coal more than 5 feet thick. On the east side of the mountain
this seam has been burnt out. Along the west side, however, pieces of
float coal were observed for 3$ miles north of Halfway River. Any pros-
pecting for this seam should be done on Pink Mountain adjacent to Half-
way River.”

An analysis of a sample taken by Hage near the surface, at base of
the Bullhead group, Pink Mountain, is as follows:

== As received Dry
Per cent Per cent

INT OISbUTe Hs Ay icra nt een era Peart e erccastaee. dt 5:6
Borer ee arent Seneenen te Mana ey Lay @ 4.4 4-6
Wolatileimatters: Sos ee te Se eee kee 12-5 13-3
Fixed carbon (by difference). ............-0-ceeeeeeee 77-5 82-1
Sulphureeony soso corer toe a eo ear dace 6:3
BGStiee perl Denccin eer Sere ee ee co Rn Re 12,670 13,420

Non-caking

Softening temperature of ash 2,600°F.
This is low volatile bituminous coal.

The following is an analysis of a sample taken from a seam close to the
top of the Bullhead group at the north end of Pink Mountain:

—— As received Dry
Per cent, Per cent,

IMTOISEUTC eercec fe veneer Ley Seo 0-6
INS 6 piper eh Dine Ba AEE RO Bich ORO Poorer ERS Se 13-4 13-5
Volatiles ations aah nauik Sete ae he seiner tet one 25-9 26-1
Fixed carbon (by difference)....................++.-- 60-1 60-4
Sulphursesee 20 eee re eee eke see sey Renee aa ve 3-8 3-9
Betauaperel bie sees shacrseaiefcserciessevstareioorans Sheela crete atlases 13,270 13,350

Caking properties good.
Softening temperature of ash, above 2,850°F.
This is a medium volatile bituminous coal.

COAL RIVER LIGNITE
(By M. Y. Williams, 1944)

“At Coal River, mile 533, Alaska Highway, large masses of brown
lignite and slabs of lignitized wood lie scattered over the river bars. These
were reported by McConnell, who failed to reach their source in the time
at his disposal. The outcrop occurs north of the big bend in Coal River,
and about 6 miles in a direct line from the Highway. The distance is much
longer by the river, possibly 10 miles.

“The coal seam forms a rapid across the river, which is over 200 yards
wide, and outcrops for about 300 yards along the river bank. In the west
bank, 15 feet of lignite is well exposed, dipping 6 degrees to the northwest.
The lignite weathers brown; some of it is very friable and some is tough and