CLEARING LAND IN THE LAKE STATES. 9 
quite an item. In pulling small, sound stumps considerable time 1s 
saved in not having to dig root holes, which are necessary when using 
a tripod type of machine. With large stumps which are partly 
decayed, this saving 
of time over that re- 
quired in the use of 
the tripod type is 
about offset by the 
loss of time due to 
stumps breaking off. 
When this occurs, 
each large root must 
be dug and pulled 
out separately. The 
capstan machine will 
_ work on steeper land 
| than the tripod, 
though no machine 
will do very satisfac- 
tory work on a steep 
hillside. By using the double and triple power arrangements of 
lines, the capstan machines will pull any white-pine stump in the 
Lake States. Many practical land-clearing operators using the cap- 
stan machines do not favor the use of the double or triple power in 
connection with these 
machines because of 
the time lost in ad- 
justing the blocks and 
hauling the extra 
cable. They prefer 
to use a small quan- 
tity of dynamite un- 
der the larger stumps 
to split and loosen 
them. With the tri- 
pod type of machine 
the use of dynamite 
to loosen the stump 
is unnecessary, because these machines are powerful enough to pull 
any white-pine stump. 
Fig. 6.—Typical tripod stump puller. Pullers of this type must be 
set directly over each stump pulled. 
Fig. 7,—Another stump puller of the tripod type. 
THE TRIPOD TYPE OF MACHINE. 
Many stumping contractors clearing white-pine land in Michigan 
use the tripod type of machine. Any stump pulls more easily when 
lifted vertically than when pulled from the side. No anchor stump 
36156°—Bull. 9]—14——2 
