Evening times-Republican. [volume] (Marshalltown, Iowa) 1890-1923, 1907-09-03
CEMENT MAKING BOON
Remarkable Increase in Demand
y
d lin United States For Build
ing Purposes
PRICES ARE NOT INFLATED
Federal Forsst Service Undertaking to
solve Problem u Make Grass Grow
Whore Sheep Herd - Economic Pos
4 abilities Of Experiments Are Enor.
4 NOUS.

a NOUS.
washington, Sept, s.-The production
oi' cement in 1906 amounted to the
enormous total of 51,o00,445 barrels
valued at $55.3O2.277, exceeding by
1f.ss7.137 barrels in quantity and s1s,-
s Ssssssio,744 in value the production for
sAlgiao5, which had been the banner year.
FCiassified according to character, the
81 pisoduction was as follows:
hi Barrels. Value.
Portland cement /. .4s,46s.424 S52,466,1s
Natural cement &. 4,o55,797 2,42s,17O
n Puzzolan cement 4s1,224 412.s2l1
THESE figures are reported by the
United states geological survey. and
ssssre greater than those given in the pre-
sin1irary statistics OF production issued
sby the survey early in the year, the
adherence being due to the tact that
some Of the returns were received too
sstte for use in the first statement.
The most prosperous branch Of the
Industry Is. OF course, the Portland ce-
\, arlent branch, whose growth has been
81 of the most phenome anal character.
Twenty years ago, when the PORTLAND
81 cement output Of the entire United
states stood at about $4,000 barrels,
B against nearly 7.00o.0 900 barrels Of nat
lral cement, the first attempt was mace
TIL ID, Introduce the rotary Kiln for the
i nianufacture OF Portland. the company
/ III plotting the new process proudly
Claiming the ability to produce SeoVo
Barrels OF cement year, and to Triple
this quantity 40 soon as the necessary
I Rrinding machinery should be added.
Il Today 1t IL not considered In the least
1 eensat fonal IL q company announces the
tscapacity Of its}plant at 5000 to 1000
II barrels q day, while the prodTctio OF
srRe plants runs we'll into tho millions
of barrels. s'9l
s. the decline OF the natural-cement
Industry has. been gradual but as
3steady as the increase Of the Portland l'
/ @ranch. SIS
The growth of the Stag or puzzolan
5nranch OF the cement industry Is IN
lMe4Nsting because OF its steadtnessS The
h advantage OF the industry is that IT
+ 3consumes q product of steel and iron
\ k,undries which has been for years
Z Ar.pt,1,lesome to dispose Of and has been
agarded as waste.
" .Altho,tfae prices at which cement was
4 4.old IN. 1895 were higher than those
Y Ikaillich prevailed in 1908, they9were not
L MINATED. but were results from nor
luial growth in demand
u q That the quantity of cement export
lea by the United States to foreign
Ecountries is not 30 large as it should be
probably due to the great demand at
nome. but with continued, increase In
production the foreign trade cannot
ong Be neglected.
The forest service, In cooperation
sith the bureau Of plant industry, has
,eglil q series OF experiments to md
Tilt how the carrying power OF grazing
arids within national forests can be
increased. In q nutshell the problems
ire ffrst, how TO grow. and, second,
low to utilize the largest amount OF
orage. The conclusions reached are
likely to have an important bearing on
Improved use OF the open range gener-
Eny. The economic possibilities OF.
these experiments are enormous.
ne In the past the ~ StOCkIlld1 OIL UIlc
hubble lands has simply taken what
Atnre offered him. But grazing tends
8 put nature at q disadvantage. Plants
Which propagate by seed, for example,
1--we no chance when the seed stalks
lie being eaten off all the time. In
many grazing regions the carrying
sower OF the range has been very
realty reduced thru the present meth
fis OF use. 4 Il,
within national forests the restric-
lon Of the number OF stock to the ca
sacity OF the range has already checked
he worst evils which result from over
Taz.ng. But the new investigations
romise much greater things.
The Investigations are to be carried
llt along three distinct lines-studies,
what can be done in the way Of in
soducing cultivated grasses, studies Of
hnge improvement thru better knowl-
dye Of how wild grasses propagate.
lid studies Of how to handle both cat
E.Se and sheep so as to reduce the waste
Eile to herding and trarhpling. ~