San Antonio daily light. [volume] (San Antonio, Tex.) 1886-1907, 1893-08-26
MINES AND MINING.

The British Neurological society
was established in 1900.
Coal mining in the United States
Oegan as Pittsburg in 1854.
Spain is one of the principal cop
per producing countries.
In every ton of sea water there
is about one grain of pure gold.
Gold in paying quantities was
discovered in California in 1919.
The silver mines of Spain now
produce about 10000 ounces a year,
Galena, or lead ore, always con-
tains silver in greater or less guam
titles.
Copper is said to be found in
over 10000 localities in the United
States.
The first iron foundry was at
Lynn, Mass, the first copperworSs
at Salem.
The British government school
of Mines was opened in the year
1851.
The annual production of gold
and silver is about $2OO,OOO,OO0,
The United States produces 80
per cent of all the lead in the
world.
Italy has 1900 miners. The
marble quarries employ 10000
men.
The first great oil well was at
Oil Creek, Pa. 1t gave 1000 gal
Ions a day.
The first iron mine in the
United States was opened in Nir-
ginia in 1868.
Great Britain, Australia and
Java are the three leading tin
countries.
From 1914 to 1880 the Siberian
mines have produced 1920 tons of
gold.
The "Longworthy crevice" near
Dubuque has produced, it is said,
nearly 100000 pounds of lead ore.
The great COmstOck vein was dis
covered in 1859. It's product is
about twO-thirds silver and one
third gold.
Up to 1874, of $244,OOO,OOO gold
and silver produced in Nevada, the
COmstOck lode produced Sl69,OOO,-
600.
The largest gold nugget ever
known was the SARAH Sand,"
found in Australia. 1t weighed
233 pounds, 1 ounces, Troy.
According to MulhalI, the annu-
al consumption of gold in the arts
is 10 per cent.
The most of tho Mexican silver,
up to recent years, was produced
from one vein, the Neta Madre,
which has been traced for more
than twelve miles, and often has a
thickness of $50 feet. Mexico has
over 1900 silver mines.
In the lightweight years from
1900 to 1888 the world mined 1912
tons of gold, 95,5j9 of silver, ST.
100000 of copper, 34,6OO,OOO of lead,
31,5OO,0OO of zinc, 100000 of tin,
1,273,OOO,O0O of iron and lO,6Ol ,OO0,-
600 of coal.
The United States leads the
world in the production of iron, in
1890 producing 100000 tons of
ore and 9,2O2,7O3 tons of pigiron;
Great Britain coming next with
100000 and 100000 tons respect
lively.
The United States in 1889 pro-
duced 50,000,O00 ounces of silver,
potatoes to the value of $S0,000,000,
wheat worth $356,5OO,O00, maize
worth S61S,5000, oats worth $780,
100000, and cotton worth 100000
600.
The gold mines of Peru were so
rich that Atahaullpa, to buy his
ransom, filled a room % feet by II
to height of 9 feet with golden
vessels. When melted. they pre-
duced Sl5,4SO,7l0 of gold.
The most important iron deposit
of the United States is the Iron
Mountain in Missouri. The ores
are almost pure, nearly free from
sulphur, and carrying a very small
proportion of phosphorus.
The hydralic pressure employed
in placer mining exceeds some
times 400 feet of hydraulic head,
with a velocity of l43 feet and up
ward per second, delivering over
1000 pounds of water in a second.
The decline IN the price of wheat
during the last few years from 81