The New York herald. [volume] (New York [N.Y.]) 1840-1920, 1853-03-18

When all these companies get into alive opera
ton we shall probably have full supTy OF native
copper. The time is not far distant wen we shal
be large exporters Of this valuable maj. Inc only
impeachment to the continuous navsation between
Lake Superior and England is ofsed by the rapids
of the st. Marie river, round wen canal, 70 DC
made by the State Of Michigan's 10 ne commenced
this spring-Congress havip voted grant Of
$50 900 acres Of land for IT, purpose. The Cana
dian government also mid to construct canal
around their rapds on II British side These canals
need he only about a ne in length, and will over
come a fall Of twentvAe feet They will be of the
IorooSt section co : to accommodate the widest
steamers navcatir Lake Superior. Hence it is evil
dent that screv PROPELLER Of large dimensions may
proceed throu, Lake Huron, Lake Erie, and the
wellond Ia. INTO Lake Ontario, and thence, pass
;ro bv Mon al and Quebec, down the st. Lawrence,
ond into = Atlantic, and thence over to Swansea
a. Ion.,. In the present extraordinary demand
CO.. r. 1t may be of interest to know that mex
hone Ile supplies of the purest copper can be OBJ
,o;,I by the proper application of capital and
| ing skill, in both of which the proprietors of
5se mines appear to be sadly deficient, as will be
manifest from the circumstance that the product of
the mines was only $500 tons in 1852, whilst the
ofthe United States is upwards of 900
tons per annum, and rapidly increasing
We published yesterday an extract from letter
received from correspondent in the Cumberland
coal region which was calculated to inure the char
acter of the coal from that section. The annexed
letters, one from the President of the New Creek
Coal Company-A. Ashfeld-and one from the
President Of the Llangollan Coal Company-James
Wynne-shows that our correspondent was entirely
wrong in his statements and we hasten to make the
correction -
TO THE EDITOR OF THE HERALD.
OFYcT OF TIE NEW CREEK Coal Co., Al Wall street J
New YORK March II, 1853.
Observing by paragraph copied into the money
article Of your valuable paper this morning. that an
attempt is made to disparage the coal OF our six feet
ven well that of others the westernport region
would state for the satisfaction of the stockholders
that whatever be the character of that vein belong
Ing to companies the Maryland side Of the Potomac,
there Is no better coal In the world than that from the
New Creek Coal Company vein which Is the opposite
ments for opening upon this ven fthe company having
al the others found in the Cumberland region
account of its remarkable superiority and which has
been amply shown to the satisfaction Of per-
sons who have 1t burning at the Office of the
pany The six feet vein is free from sulphur and other
the The The being one Of
resting upon it, which Is supposed to for it's re-
markable compactness and soldiy. In the course Of
lew nave tHese assertions
will be further and satisfactorily disprovod by regular
supplies from the six feet vein CT the New Creek Com
pany, which will then be put upon the market
OFFICE OF TIE LIASGorIAS Mining COMPANY
New York March IL, 1853.
sR-Ihe money article In the HERALD OF TO day con
aims statement, from unknown CORES pondent in
relation TO the character of the coal Of the Westepor
istrict OF the Cumberland coal field which nearly
Affects the interests Of the Langolan Mining Company
hat feel myself called upon to make an explanation,
% far, at least, as that company Is concerned The
Iangollan Mining Company IL possessed Of q landed
property Of about thirteen hundred acres travesed by
he various coal seams found In that region part Of ths
and is located in the Georges Creek Valley, the
abroad being made by the Georges Creek Company
md contains valuable deposit OF Whist il known as
he fourteen feet seam 80 IL 70 be found in the coal ned