The Writings of Thomas Jefferson, Vol. 8 (of 9): Being His Autobiography, Correspondence, Reports, Messages, Addresses, and Other Writings, Official and PrivateJefferson, Thomas
History
The Writings of Thomas Jefferson, Vol. 8 (of 9): Being His Autobiography, Correspondence, Reports, Messages, Addresses, and Other Writings, Official and Private
Jefferson, Thomas
United States -- Politics and government -- 1775-1783; United States -- Politics and government -- 1783-1865
_A notice of the mines and other subterraneous riches; its trees,
plants, fruits, &c._
I knew a single instance of gold found in this State. It was
interspersed in small specks through a lump of ore of about four
pounds weight, which yielded seventeen pennyweights of gold, of
extraordinary ductility. This ore was found on the north side
of Rappahanoc, about four miles below the falls. I never heard
of any other indication of gold in its neighborhood.
On the Great Kanhaway, opposite to the mouth of Cripple
creek, and about twenty-five miles from our southern boundary,
in the county of Montgomery, are mines of lead. The metal is
mixed, sometimes with earth, and sometimes with rock, which
requires the force of gunpowder to open it; and is accompanied
with a portion of silver too small to be worth separation under
any process hitherto attempted there. The proportion yielded is
from fifty to eighty pounds of pure metal from one hundred
pounds of washed ore. The most common is that of sixty to
one hundred pounds. The veins are sometimes most flattering,
at others they disappear suddenly and totally. They enter
the side of the hill and proceed horizontally. Two of them are
wrought at present by the public, the best of which is one hundred
yards under the hill. These would employ about fifty laborers
to advantage. We have not, however, more than thirty
generally, and these cultivate their own corn. They have produced
sixty tons of lead in the year; but the general quantity
is from twenty to twenty-five tons. The present furnace is a
mile from the ore bank and on the opposite side of the river.
The ore is first wagoned to the river, a quarter of a mile, then
laden on board of canoes and carried across the river, which is
there about two hundred yards wide, and then again taken into
wagons and carried to the furnace. This mode was originally
adopted that they might avail themselves of a good situation on
a creek for a pounding mill; but it would be easy to have
the furnace and pounding mill on the same side of the river,
which would yield water, without any dam, by a canal of about
half a mile in length. From the furnace the lead is transported
one hundred and thirty miles along a good road, leading through
the peaks of Otter to Lynch's ferry, or Winston's on James' river,
from whence it is carried by water about the same distance to
Westham. This land carriage may be greatly shortened, by delivering
the lead on James' river, above the Blue Ridge, from
whence a ton weight has been brought on two canoes. The
Great Kanhaway has considerable falls in the neighborhood of
the mines. About seven miles below are three falls, of three
or four feet perpendicular each; and three miles above is a rapid
of three miles continuance, which has been compared in its descent
to the great falls of James' river. Yet it is the opinion,
that they may be laid open for useful navigation, so as to reduce
very much the portage between the Kanhaway and James'
river.
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