New-York daily tribune. [volume] (New-York [N.Y.]) 1842-1866, 1846-04-14

Recen, letters from Copper Heroor and vicinity
give farther and extraordinary accounts OF the rich-
ness of the more recent developments Of the Mineral
region. VIC make the following extracts from a
letter before us, dated
SUPERIok COPPER Co.'S OFFICE
March g lsi6.
The prospects on Lake Superior were
never so brgh, as now. Enough oil pure silver
will he raised here this winter 10 pay all the
expenses incurred since This country was hrst
visited. Chds. at Copper Falls is getting solid
pieces Of native Silver weighing 81 OF. each AZ
Eagle River Bluffs they have estimated the product
of single day a, Ten Thousand Dollars, or ten
barrels of Silver at 81 900 each. am getting beau
,ful specimens of Silver and Copper on this location
have employed more miners, and am prosecuting
the work with all diligence. l gave Col. McN q
specin,en taken from the bottom OF the shaft today
90 feet deep in which there is not less than 50 worth
of Silver.
Extract from letter dated at DETROIT, April J.
The letters from the mineral region by last nlsht
mail only renew former ones. The Copper Faiis
Company have struck Silver. and thrown out solid
Jumps of an ounce weight each, So!id ot9fe7' anu
a great many smaller Jumps
The Pittsburgh diggings are still the same Elk
tracts from the letters received will be published TO
morrow One thing is very certain here, since the
arrival of these letters that are supposed 10 oe
in possession Of all the news, are quietly buying NJ
copper sloch. =,
Ex,rac, from letter dated EAGLE RIVER, LAKE So
PERIoR. March g. lSi6
Had l been al liberty,n would have gwen me
great pleasure TO have informed you OF the changes
for the better they have occurred IN the mineral
country during the Winter. Suffice ii TO say that as
large quantities or SRrer and Copper have been
dug upon the Blugs II must follow as a matter OF
course, Judging from the rich specimens obtained
tina, the BigSS on the Ma and Allegations are as rich
and valuable both for Silver and Copper as any 10
be found on Keewand Point
Froa. tie Detrpi; Daily ddpertser, Aprii 5.
LAKE SUPERIOR MINEs-Letters were received on
Monday evening from the Lake Superior Mining region
and the city was all ssog yesterday with the news
was Of the most gratifying character The share holders
Of the Copper Fails and Northwestern Companies OF this
CITY seem 10 be most elstsd. The vein the Copper
Falls which is now being worked Is yielding richly OF
silver ore One single piece among quantities Of natve
silver had been tsksn weighing over pound ms
vein has been distinctly traced to the location iHmedi
atey adjoining, owned by the North Western Cotnps
ny OF this city Several veins have also been ais
covered upon the location By the person IN charge
Intelligence from other companies We hear IL also ex
csedingly favorable. AL doubts of the vast mnerh
wealth Of the Upper Peninsula seem 10 have been Who'll
II removed by the winter operations.
The, North Western Company have made arrange
Tor vigorously prosecuting and working their 10
cation ttee present David French. ESQ OF th
city, hear has been appointed agent Most OF th'
other Companies have also made preparations for sc;v;
mining Lake Superior will be business region du
ring the summer months We shail er6esvor keef
our readers advised OF The movements there.