The Seattle post-intelligencer. [volume] (Seattle, Wash. Terr. [Wash.]) 1888-1914, 1900-01-09
ClRBONlDO.
i1nnn,s REPORT TO
m - no CAUsp.
pss to the Ignitien' in
sssrni.sd way, Of Small
~, ~ direct Cause OF
rsias Dust Combustion.

ia 10 the Post-Intellisencer.
fSST ian. S--The following - .no
n fha state board Of coal mine
4 >! sSlatIng to the causes that lea
:s.ssSion at the Carbonate coal
. snfsceupber. and the rules that
r ~ woriking Of the mines:
~ SS.r fohn n. Rogers, Governor
e ~ Washington, Olympta.sir:
s,s.rs with your request. dated
<,S M Of December last. tnas tne
u tbe Carbon Hin Coal Com
~ nnrposs OF making an inves-
.S "A fhe probable cause OF the
ssrt occurred In No. 7 mine.
~ ~ hon HIN Coal Company.
.s ~ 81 the 9th Of December,
y Tacoma on the evening Of the
s ~ and on the morning OF the 4sn
n. n n. Davies, general superin-
- errsnred to enter the mine.
~ scromnanied on our investiga-
IN ~. Esvssf Lewis, general foreman;
sS Davis, underground foreman "
"a IA time of explosion; David
sy ssesssnf inside foreman, and state
~ q. < Sssctor O. r. Owen, and have the
& m mort as follows:
y svSessded ii the main gangway
- xmuIo ine1oc the tIapuooh,
s53 M return airway, eight feet
!l.<. {.rSSS the thermometer regisber-
4 4 rsinS1e 81 81. $50 cubic feet per min
Afn;,(n,Iing our course thereafter, we
,..s ~ a ne inside switch, about one
- me entrance, where 1t was said
S;Ss a. four men and four mules
Ia NM. This would be about. $50 feet
;SS dec 81 the gangway, where the
W SsSIeS we're found Proceeding fur
Ia 1919 r.St.n~~<>S rs,t IN ne whora f6o
ID - 81 the gangway had been re-
&t1eSn shoots 81 and IS. $50 feet
k6n face of gangway, ana where
SSeos,rfered Indications OF the ex-
gts Ssding carbonized coal dust adj
37S "a ne outer face OF the gangway
MAN. apparently lodged there by
1872 lfoln the force OF the explosion
|. ~ - evidence Of disturbance point
= ~ q was where timber had been
.sf ke1Ween shoots 50 and 90, for a
=. ';5;1 r NV feet, the point where the
'SsI1121S had exefted its greatest force,
n6eounted for owing to there be-
Iii curve In the gangway at this
~ 0ne hundred and seventy feet
~ t&6ft. lnwards, q few more sets had
'~ 0placsd, ana In most instances the
issil6Sfd1 and bulkhcads had been
~ q and now repaired. The first
sI6s>1S e disturbance back from face
SsSs5iy Vas at shoot 81. Between this
~ "a the 0angway face we find car
'1i eoaI dust and charred timber. On
~ 46n9Way opposite shoot 10 we saw
ID S1fSi hill Of water, which IL used
3 S(Akling the face OF the gangway
Sle3 E6sting; we were informed that
M I1fIvf remained there during the ex-
l1112. and was still full OF water, indi-
IL hat littM force had been exerted
4 ~ n6infs We examined the face Of
= 1okeWly for gas, but found none.
n IN measured the volume Of return
Z 4 Shoot 70. and found 5000 cubic feet
= nlInte passing, while there was also
Z s5lliIcnei quantity passing through
kdN 4, being the first shoot back from
n ~ u the gangway. The bulkheads
~ II IN q number Of shoots outside
I II the larger volume Of the air was
I'M that short course to return.
~ next returned to shoot 5814, up to
n second crosscut, and on the same
svlrut 10 shoot 50. which Il the travel
u nv. We went up this shoot to the
ia sfoascut proceeding on this cross