Evening times-Republican. [volume] (Marshalltown, Iowa) 1890-1923, 1900-04-11
Forestry EXHIBIT
Completion Of Novel Government
Display Of Forestry at the
Paris Show.
Transparencies Portraying Groves
ofNative Trees One Of the Inter.
esting Features.
Special Investigation Of Western
! Hemlock by Forestry Division
Lumber Yields.


way to Paris 1t will be one Of the most
novel of the government exhibits and
will be wholly distinct from the COM
merciai features of numbering 10 be
shown in herSdepartnlent. The dis
play Mill be i'll the form of a hail3or
pagoda, the wallis of which consist or
large transparencies illustrating Amer.
lean forest conditions. These walls will
be double and Illuminated by interior.
electrict lights. The pictures range IN
size from three by five feet to four by
six feet. There will be two transpar-
:encies six by ten feet. portrayins roves'
of Rcd Fir and California Big trees,
Two of the most impressive American
trees. A point Will be made Of the re-
Elatipn of forestry to agriculture and
such subjects as protective forests, the
use of trees in preserving water supply.
the management OF woodlands. etc., arr
fully illustrated The extent of the
timber resources of the United States
Will be shown by pictures from al I'M,
portant lumber regions The distrbu-
ton of forests will be shown by maps:
Twenty of the most Important Asnerl-3
can woods will be represented by sec
lions of trees.
The western Hemloek Is to be the
subject of "a special investigation this
summer BY the Division ef Forestry,
and a party of experts viii spend sex
eral months i'll the Puget sound region
making observations and measure
srnents of that species of Hemloek. Nj
tho one OF theslargest and most widely
distributed trees in the Pacific north
west. ii suffers from the preiGdiee
against eastern Hsinlpek. a c!oseiX y "a s
We'd. hut much inferior species and for
This reason has almost no commercial
value III grows al Us best on the cool
damp slopes OF the Washington and
Oregon mountains, where, ii IS fire.
.auently 200 feet high and ten feet in
diameter OF even larger in favorable
situations. 1t occasionally forms q
dense. pure forest. but is more often
mixed With Red Fir the most import
ans timber treescf the northwest and Is
usually left standing By the lumber
men because THERE'S no sale tor the
lumber. The wood of the western hem
lock is less apt To be shaky.is stronger
more durable, and more easily worked
than that of the eastern species. Ihs
bark is said to contain much more tan-
In,n. BY the present method OF lumber
Ting i'm rlenes quantities of Hemlocll als
1 destroyed annually. for it8ls left toah s
/ burned by tn. fires which frequently
lol,aw the removal Of the Fir. II S be-
lslfeved that If this Hemoek can be given
lis true value bsforetae public. logging
methods may be modified and even ii
I.the market develops slowly, there vii;
be a greater effort TO prevent waste.
An Important feature Of ibis inrestiga-
titan xiii be 10 ascertain the rate a.
growth and the lime required TO prs
ssure. u merchantabie stand. The west
Tern He,nlpek possesses remarkable
powers of reproduction, and may be
Ecoun;ed on TO reforest logged-off areas
The Deering Harvester Company @,
gGhieago. has applied togthe Division 81
Forestry for a working plan for its d.
1000 acre tract of hardwood timber II
/ southeastern Missouri. This mark
what is probably the first attempt q
an American manufacturing establish.
tnlert To employ modern forest method.
lin raising hardwood timber for rs oMl
1 use. The timber owned by the com.
4 pany consists chiefly of Oak, Ash ane
4 Hickory. Moods especially adapted /,
4 the manufacture of agricultural impie,
I.ments. The owners intend TO remove al
i the less valuable species. such as Cot
i tonwood. Cum, Honey Locust and l.s
4 press. 50 as to give the others all pos
y,
I. will be made by which5th merchantabi
timber naay b. removed without injur.
to the producing power of the fores
The division will send experts to III
tract to make the observations neces;
sary for such plan.
f. NJ Griffith. an official of the Divi
sion OF Forestry. is now in the Blac
Hills forest reserve. South Dakota, ar
= ranging for an extensive Investigate
a OF the forest 10 be begun there thi
spring This is the first reserve 70
(which definite plans of managerne MT az
II 10 be prepared. altho others Will b
taken up as rapidly as possible.
In connection with the investigation
of commercial trees by the division
set of tables has been prepared for tn
!. Adirondack hardwoods. by which var
!. Gus financial calculations can be mad
accurately and Easily If the approx
mate number of trees on a given are
Land average diameter are known. Tn
lmost important tables show: The valu
of mature trees at different stumpae
rates; value of immature trees of a
ages at different stumpage rates; il
!, terest represented by annual grOwt
. on the capital represented by the trees
: and interest represented by annu;
lgrowth in board feet on capital repre-
scented by land. From these figures tt
timber owner can find the exact 1inar
cial gain in waiting for his timber
grow to any given diameter, the inteI
est his forest is earning on its cost, al,
similar valuable information. TT
tables are now complete for the $,
called Adirondack hardwoods. inciudir
Yellow Birch, Sugar Maple, Beec
Eastwood and Cherry. These hardwoc
Q tables are based upon analyses of 10
d lfelled trees and upon actual measur,
i ment Of mcrchantable timber upon 10
= acres.
\ A plan has been arranged by whic
j the section of tree planting of the d
. division of Forestry will com bine lectu
ing with its practical field work for Il
purpose OF interesting the public in IL
subject. When an official of this sc,
. ton of the division is called to any pc
ton OF the United tSates where plan