The Barre daily times. (Barre, Vt.) 1897-1959, 1915-03-08
MINERAL EXHIBIT AT FRISCO,
Actual Per Capita Productions OF Coal
Cement, Gold, Silver, Aluminium,

mineral resources OF the United State
the Geological Survey exhibit at tho
Panama Pacific international exposition
includes graphic representation OF The
output Of the various mineral products
OF the country, based on the production
per capita during the centennial year
/ 1876, and at the present time. Bituml.
nous coal is represented by a block OF
coal weighing 1900 pounds, the per cap
tia production in 1876 and by another
weighing five tons 100000 pounds, the
per capita output in 1918. The anthracite
blocks, on the other hand, indicate rela'
lively small gain, from LAO TO 1850
pounds.
The per capita production of coke has
increased from 1874 pounds in 1876 10
700 pounds in 1918. At the earlier
period no other than beehive coke was
manufactured in the United States, but
since then the interesting feature Of coke
manufacture has been the development
OF the retort oven, by which valuable
constituents Of the coal other than coke
are recovered. The exhibit mt San Fran
cisco shows the quantity Of coal con-
sumed in retort ovens in this country
in 1913, the quantity of coke produced
from it, and the quantity of coal tar,
benzol, and sulphate of ammonia recoy-
cred as by-products. The quantity OF
gas recovered and utilized is also prop.
erly shown
The production of petroleum in the
United States shows an increase which IS
fairly comparable with that of bitumi.
nous coal The per capita output Of
oil in 1875 is represented by a half
barrel of oil containing % gallons; the
output in 1913 is represented by hogs
head containing two and six-tenths bar.
rels, or los gallons.
The per capita production OF copper
which in late years has been so signitt.
eantly influenced by the development OF
electric power transmission, has in
creased from one pound in 1876 to Is
pounds in 1918, and this is illustrated by
ingots of copper Of the two weights.
The per capita production Of lead has
increased from four pounds in 1876 70
nine pounds in 1918, and the output Of
zinc from little less than one pound
to six pounds.
The quantity Of iron ore produced
shows an increase from 3l4 pounds per
capita in 1876 to l,434 pounds in 1918,
and the quantity OF pig iron obtained
from it has increased from $50 TO III
pounds.
Since the centennial exposition an en-
tirely new industry in mining and metal
mrgy has been developed through the
production of aluminium. No aluminium
was produced on a commercial scale in
1876, but cube weighing II ounces
the per capita production in
1913
The actual production of gold and sill
yer in 1918 is little more than twice
as much as it was in 1876, but as the
population has also nearly doubled the
per capita output of both metals has
kept nearly even with the increasing
In 1876 the per capita pro-
duction Of gold was II grains in 1918
It was 81 grains. The production Of sii
yer in 1918 was S52 grains per capita
in 1876 it was 2sS grains.
In 1876 the total production of Port
land cement in the United States was
less than 10000 barrels. In 1913 il was
over g2.0O00O0 barrels The total per
capita output Of cement in 1915 was IL
pounds. In 1913 it was $50 pounds,
equivalent to nearly four Of the bags
IN which we are accustomed TO see Port |
land cement transported.
1t is only since the beginning of the
present century that the production Of
sulphur in the United States has had
any significant influence on the TRADE.
but the domestic product has now viz
tually supplanted Sicilian sulphur in
the markets Of this country. In 1875
The per capita production OF sulphur in |
The United States was lao grains, OF less
than one-third OF an ounce. In 1913 Il !
was $4,000 grains or seven and one
fourth pounds. The production Of py' /
lite. used in the manufacture of sulphur /
e acid. has increased from one ounce /
Der capita in 1876 10 l25 ounces IN 1913. 1
IN 1876 the United States produced no
.ulphuric acid except from pyrite and .
imported sulphur The sulphuric acid 4
as q bvproduct at the smelt-
rs Of the United States in 1913 was Is
POUNDS per capita.
In 1870 the per capita production Of
phosphate rock was nine pounds. In
9l3 il was eight times that quantity,
" " pounds.
In 1876 we produced no arsenious OK
de, no bismuth, and no calcium chloride
n 1913 the per capita production Of
Irsenious oxide was $50 grains; OF his.
nuth, Il grains; and Of calcium chloride
ia ounces.
A number Of other mineral Substances,
zone Of which was produced az the time
Il the Centennial exposition, are now
important factors In our mineral produe
ion. Among the most important 81
hese i natural gas. Of which over 5000
ubic feet per capita are nov consumed
nnually IN the United States. Others
i these minerals are nickel abrasive
arnet. pumicc. artificial abrasive. full
FRS earth. and magnesite, together with
De rare earths and metals such a. thor.
I'M. tungsten. uranium. and vanadium
res.
The exhibit 81 San Francisco shows
he quantity Of each Of these sulstanc'-s
roduced per inhabitant in 1876 and the
mount In 1919. Each visitor NAV there.
ore view the quantity Of the several /
minerals that Do NAV consider be share
nd ~ vii perceive h0w much richer De
. than bic father IN 1876
Some salt