46 Miscellaneous Circular 39, U. S. Dept. of Agriculture
from the time we fell a tree in the for the sawmill, making these plants
woods the so-called waste is converted self-sustaining as to fuel: As it takes
into charcoal iron and other products. about 214cords of wood to produce a
It is in connection with the wood- ton of charcoal iron, and this district
mill part of this operation that I wish produces better than 250,000 tons of
to particularly call your attention, as charcoal iron per year, we are using
it is here that considerably more can in this industry alone better than
be saved to the lumber-using public. 625,000 cords of wood per year of the
The crooked logs are first cut into so-called waste.
short lengths, then worked up into While there are other processes of
wood; but as the use of dimension manufacturing followed in the Lake
stock in the rough increases in de- States, I am a firm believer in cutting
mand the good cuts between the crooks everything possible from the land the
and defects can be cut to proper first time over. It has proved very
lengths and worked up on proper ma- disastrous to attempt selective cutting,
chinery made for this purpose, thereby as much of the timber left standing is
increasing the amount of good lum- shallow rooted and blows over or be-
ber and increasing the quantity of comes ill-shaped because of heavy
wood. I might say in passing that the tops and slim bodies—to say nothing
publicity given dimension stock in this of the fire risk, which is many times
standardization campaign is having its greater than in standing virgin timber.
effect, as many industries that can use As this conference is intended to
some dimension stock in their busi- bring out various ideas as to the best
ness are beginning to see that it is to method of conserving the forests and
their advantage to be willing to pay to produce a larger amount of mer-
more than a cull price for the mate- chantable material, I can not help but
rial rather than have the impression again refer to the dimension mill as
that because the lumberman makes being able to solve this problem. A
these sizes from slabs and edgings and large percentage of the trees growing
cull lumber the product should be in our woods are so crooked that,
bought cheap. when loaded on a sawmill carriage to
' This one-time waste, by the present be sawn into lumber, by the time they
unit plan, not only enables us to log are straightened there is very little
closer but after all logging is done left, and that is the poorest part of
we go over our choppings with wood the log. There are in my district a
choppers and cut out of the tops number of mills that cut all of their
everything that is left, down to the logs into short lengths, then saw them
size of a man’s wrist. We also reach into sizes required for working into
out and buy wood stumpage and cord- all kinds of dimension stock, then turn
wood from lumbermen who only cut and dry and finish all of their material
for lumber, until you can say that in ready for the thousand and one things
the lower peninsula of Michigan there for furniture factories, ete. But as
is little or no waste, and the fur- this field is fully covered, the next
naces there are going into the upper thing is to create a demand for rough
peninsula for a portion of their wood, dimension stock properly bundled and
as this field is not so well covered, but air dried. This can only be accom-
is rapidly becoming so. plished by a standardization of sizes,
I am frequently asked how much of thus enabling the manufacturer to
the hardwood frem the average forest stock certain sizes the same as he does
goes into lumber and how much into lumber, thereby assuring the consum-
by-products. I can answer this by ing manufacturer a constant supply.
saying that it varies in different locali- But the only way to induce Iumber
ties, but as some of us freight in all of manufacturers to produce dimension
our raw material we can come very stock in a large way is for the con-
close to the percentages of each. sumer to accept it in all stages of
Based on green freight weight as the dryness as he does his lumber and not
material comes from the woods, the expect to have it kiln-dried as has
average will not vary much from 40 been suggested.
per cent lumber, 42 per cent wood, and To undertake this part of the work
18 per cent sawdust, bark, and de- would take the hardwood lumberman
cayed portions. This 18 per cent is into a field in which he has had no
used in producing steam and heat for experience, and can seldom get suf-
the process of carbonizing the wood ficient volume to warrant the outlay
and distilling the products and power for dry kilns and other equipment.