Page 757 - calmining1890

TRINITY COUNTY. 705
3re is one mile of flume five feet wide by three feet deep, conducting
water to the point of mountain immediately opposite the claim.
oin this point it is conducted down the mountain side five hundred
t to the Trinity River, at which point the company has a suspension
idge, conducting the water pipe to the opposite bank, thence piping to
3 claim. Twelve miles above the head of the ditch the company has
mred the right to the water of the lake at the head of Canon Creek at
elevation of five thousand six hundred feet, in Granite Mountains,
1 from the melting of the snow of the high ranges surrounding the
kes. In the canon at the foot of lower lake, a dam has been con-
ucted to store a large volume of water, enabling the company to run
e full season. Capacity of ditches, two thousand two hundred inches.
ve monitors, nozzles from six to eight inches. Water right, three
ousand inches. Amount of pipe, as follows: Three thousand two hun-
'
ed and twelve feet main, from flume, thirty-four inches in diameter,
D. 8 to No. 14 iron; four thousand five hundred feet main, eighteen
ches to twenty-two inches in diameter, Nos. 10 and 12 iron; one
ousand one hundred feet distributing, fifteen inches in diameter, Nos.
and 16 iron. Average length of seasons, seven months, running
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enty-four hours daily. In claim there are three bedrock drains, six
mdred feet each in length, from twenty-two to thirty-five feet in depth,
asted from the bedrock of black clay slates. The bedrock shows a
ight inclination into the bank, indicating that the force of the throw
as lower than the river rim forming the west bank of the present
tannel, thus necessitating the drains as an outlet for the debris into
te river below.
Sluices: Three hundred feet, four by four inches; grade, five inches to
reive feet; two undercurrents, twelve by forty-eight feet; grade, twelve
ches to twelve feet; quicksilver used in sluices.
Amount of gold recovered, one third in ground sluice (drain), one
srentieth in undercurrent, and balance in boxes. Fineness of gold,
10 (sample in Bureau).
Formation of the bedrock, mainly slate, very dark, showing small
abon of quartz, with bands of soft porphyry. A sawmill, by water
Dwer, capacity, ten thousand feet daily, with dwellings, stables, barns,
id hay farm of fifteen acres, are connected with this property. Men
jnployed, thirty-five, including watchmen, ditch-tenders, carpenters,
lacksmith, sawyer, and loggers, leaving twenty men in the mine,
lainly Chinamen, at $1 50 per day.
Bridge: Suspension, for pipe; span, three hundred and fifty feet; cable,
J
mr and one half inches in diameter; length, five hundred and sixteen
iet; weight of each, thirty-three thousand pounds; fastened at end by
inneling into the rock, with iron stanchions firmly cemented. Cost of
ridge, $21,000.
>Estimated yield of mine the present season, $100,000.

DAVID EVANS.

T. 34 N., R. 11 W.j comprising ninety-six and twenty-three hun-
redths acres of the celebrated Red Hill. Deposit has an average
epth of sixty feet. Number of acres worked to date, about twenty.
Pater from Connor Creek, by ditch one and one half miles in length to
Bservoir; elevation of claim at house, one thousand seven hundred and