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The
Treasure Vault Mining Company was organized on October 17, 1906, by George
Champagne, Charles M. Johnson, Hugh Ross, Eugene R. Day, and George Miner. In
1914 the first assessment of 2 cents per share was levied in order to pay for
development work. Directors of the company changed periodically; by 1925 they
were Jos. A. Brown, W.B. Heitfeld, W.A. Devan, P.J. Maggy, and George Miner.
The property was located on Nine Mile Canyon in the Placer Center Mining
District of Shoshone County, Idaho.
Records
for the stockholders meeting in 1933 showed Henry L. Day owning 1,000 shares
of Treasure Vault stock. In that year he was elected to the board of
directors along with George Miner, R.W. Anno, S.F. Heitfeld and W.B.
Heitfeld.
A
report written for the company in 1939 showed that prospecting and
development work consisted of three tunnels and one shaft. The upper tunnel,
a short one, was caved, as was the middle tunnel, about 300 feet in length.
The lower tunnel was open and about 200 feet in length. All tunnels were
drifts on the Treasure Vault Vein. The workings of the lower tunnel indicated
that the vein at this point, although generally quite strong, was in places
broken up and split into several parts. It was unlikely sufficient quantities
of ore would be found to make continued mining profitable.
In
1945 three more mining claims, Big, Little, and Keith, were located and an
assessment of 1 mill per share was levied to cover the cost of surveying and
locating these claims.
On
June 18, 1947, the directors met to consider and approve the plan to
consolidate the Treasure Vault, Hercules, Tamarack & Custer, Dayrock,
Sherman Lead, Monitor, Happy Day, Duluth, King, Stanley, WestrnUnion and
Crystal Lead companies to form Day Mines, Inc. At this time the property
consisted of four patented and three unpatented claims, with approximately
740 feet of development work done.
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