Deseret evening news. [volume] (Great Salt Lake City [Utah]) 1867-1920, 1907-10-19
Factors In the Development of
the Rocky Mountains Region
Locomotive Comes First and Then The Telegraph and Telephone
Few Persons Realize The Enormous Cost Of Maintenance and
Obstacles That Must Be Met and Overcome

7 Tho surface of The wood and as o. re-
/ stIl. sea .oul"g checks and w nd stult.
] ruriured t1o coating and exposed the
/ untreJted wood Goo attack bv fungi.
] which soon destroyed the pole
The forest service of the United
States denurimcnt OF agriculture has
spent considerable time boz developing
1 method by which the butts off poles
cam ho successfully and economically
. preserved against decay. with N conse-
Iu,nt increase ln the lie OF the whole
rtie This consists in imwersiuE
/ Them in alternate baths q bot and
Z id prcscrvativo. such as crposute or
zinc chloride. The poles are placed
in tank OF hot prescrpatlvc TO a
utpth of one foot above the ground
linc when sct and kept there for "a
ieN hours depending upon the spc-
Giles and condition OF the timber The
pole S. then plased in "a bath OF cold
lrcscrvailve for short period. which
completes the treatment
When the wood Oh heated in the first
BATH the mir ana moisture in the wood
cells and intcrceliular spaces is cx-
banded, and some OF % o. driven out.
Upon immersion in the cold prescrva-
tive. the difference 90 temperature
causes the expanded air and moisture
TO contracst. thus forming partial
vacuum, which causes the oil 20 pence
trate the wood to- the de0ired depth.
Tho wood TO Doe treated should be- air
seasoned
ROCKY MOUNTAIN TIMBERs.
Douglas dr is 90 dense timber. and
the hcartwuod IS very dimcult 90 peno-
trafe successfully with preservativc.
bat usually % polo has zone OF sup
wood which is thick cnogh and can be-
wood which s thick enough and can bee
20 greatly increase the natural life of
the pole
However. bon the Rocky mountain rec
gion 10 i- not necessary 90 couhue ate
tontiou Goo Douglas Gr. Large supplies
of lodcap0la pine are available. This is
called au inferior timber because 10
is not as durable when placed in the
ground as the more reslnous Douglas
dr Lodgepolt pine is cheaper than
Douglas ur Be- lighter, and therefore
custer Go transport ana Cmhodies AN of
the requisites OF an ideal pole timber,
with the one exception of susceptibility
TO rapid decay. This. however can boz
easily overcome by proper prcscrNa-
tive treatment The porous nature OF
the wood makes 10 easy 90 treat BY
the injection OF proper amount of
preservatiyc. a lodgcpolc pine pole can
be made to last 20 years or more al
small cost.
There are large areas of lodgcpole
NiAIN' DO ~ ANi. AA AAAN ANNn nav h'.'AA INV
OF insect killed. a great deal OF tim
bier has been standing I'm this condition
for q long time. II is for the most part
sound and exceptionally well seasoned,
and consequently I'm excellent condition
for preservatiVe treatment. II can be- Sc
cured at "a lower price than green TIM
beer of the same species. and for pole
purposes. is just as good if not better.
When properly treated with wood pre-
gcrvatlve il can be- employed FOR poles
u lesscning the drain upon the more
expensive species, such as Douglas FIR.
GOVERNMENT Is EXPERIMENT
ING
The government considers the invcs-
ugution in the preventative treatment
of timber of such Importance that the
business of one branch W "a bureau I'm
the department of agriculture-the 'Of-
hcc of wood preservation in the for
est services Given over entirely 90
the work or experiments I'm cooperation
with railroad companies, mining COR
porutions and individuals In prolonging
the life OF railroad ties. mine props,
bridge timbcrs. fence posts and trans
mission poles Advice and practical as
sistance is furnished all who request
this advice OF the forester The length
ening Of life OF timber means the saw
ing Of thousands OF dollars annually
through doing away with the heavy eX-
ponse of labor and cost Of material for
renewals.