Forest City press. (Forest City, Potter County, D.T. [S.D.]) 1883-19??, 1907-03-28

by a dirt wing about ~ fee, higher than
the concrete dam. and will be faced
on the upper side with stone. In a
flood the water will run over the CON
crete dam onto an apron'of ston and
concrete to prevent washing.
The Immense Gates.
There are gates i'm this dam so it.at
ordinarily the water of the rive can
be turned through without raising its
stage materially. When Mater is .irn-
ed into the inlet canal The stage of the
river will be raised enough 80 form -
lake extending to Belle f'uurche. Tae
diverting dam is now complete with eN-
ception of some of tn" facing o. II
second. and is about six and u haif
miles long to where il einpties into ioe
Dry creek basin through "A cut in the
divide a. feet deep.
The failure of the Widell-Efnley
Company Il year ago. who had itiS
contract. has delayed III" coinpl linn
OF this somewhat, but tllc work has
been pushed by the government m
gineers and will be completed carly in
the uinn.er
Dam Over Mile Long.
The storage dam tx just below where
Dry creek enlptics into Owl creek and
about twelve miles northeast OF EEL"
Fourche. This is of earth. will be 500
feet long on top. 115 feet high In the
center of Owl creek. 500 feet throuSn
at the base and 20 feet wide ON top and
will be faced on the upper side with
concrete blocks 8 inches thick To pre-
vent washing. This will make a reser-
vOlr with Il capacity of 40 1000 acre
rect, or enOueh water to cover 100000
acres one foot deep. all but about 5000
acre feet Of which can can he dra Wll off
through the steel and concrete gates
which Will he put in the dam. This res
erVOlr VIII cover about 5000 acres.
when full. about 200 acres at the level
of the gates. thirteen miles long of deep
water from the mouth of the inlet canal
on Dry creek to the upper end of the
reservoir on Owl creek above the dam.
and will have a shore line of more than
DO miles. In building this dam the dirt
Is put on in layers about ten inches
thick. thoroughly wet and rolled down
with heavy traction engines. The dirt
Is handled by the use of "a large steam
shovel and four narrow gauge engines
= and trains of ten dump cars each on n
track. two elevating graders drawn by
traction engines, and teams with dump
wagon About 1000 yards Of dirt are
moved in this way per day when al of
the machinery Is in use. oman and
Crook. tho contractors. have u second
steam shovel on track ready to take III.
to the work. 1t will take three years
yet To complete this lam. but as soon
as 1t IL completed to a height above the
outlet gates water can be turned
through and into the bitches. Work
on this dam has been suspended for
the winter. as the frozen dirt canno
be rolled down.
Steele and Concrete Syphon.
The north side canal. from She dam To
Indian creek. about nine miles long. l.
ABOUT 81 per cent. completed. but q large
par, Of the remaining work is in ii de"i,
cut In which Orman and Crook now have
their steam shovel at work. 1t will be-
finished the coming summer Indian creek
will be crossed by IA steel and concrete
syphOn. The south side canal. from the
dam 10 the Belle Fourche river. about
nine miles long. Is very nearly completed:
water will b. turned into this this sum
sn"r Water from this Glitch will Dc car