The New York herald. [volume] (New York [N.Y.]) 1840-1920, 1853-06-30
dtaos, upon such authority, must carry conviction into
ths minds Of the msst skspticsl -

dSuos upon such authority must carry conviction into
the minds Of the NEST sksptcal -
CsoxomcAL Rxros1 on rm DOLLY Hna CoFrvR MINI
10 IaAAc Trsos, IT,, Esq, rrsGdsns Of the Dolly Hide
DE- sH~Dcriss the autumn Of 1876 examined the
Dolly Nds Copper Nina In the tswn Of Liberty In hsry'
las4 and eada Z report Of my observations ana re-
ISs .ias had not the. been opened any
only sxporsen ansts h.d besA sank rnrous
the SOD And for short distaDss sto the vein The
e great promise and sincs then your continued re-
searches have proved the mine to still greater extent
tseiyo a opnisn Of it, present csnden and probable
value ~ working mine.
In accordance with your request, have just revisited
and examined this mine, and beea favorably
impressed with its present state and future promise
The original opinion which had formed in is4e and
confirmed by the Developments since made of the ven
and In some particulars obtansd additional information
Of importance
copper orss have tie value Of the mine so far As
the work has exsnced to be very great bat this must
be regarded beginning Of Operations for when
your steam engine Ia placed upon the property and
3ensve works opeIsd the vi Of The mine must b
immensely increased and when your machinery r. put
mp for preparing the for market, the oros wu De
much i.proved In richness, ana larger quantity viii
be dressed for the furnace each year.
Owing to the want of aiequste mining machinery you
have bean able thus far To work 6ey outcrop Of the
vein but when lsur steam epgas Is erected you will DO
abe 70 open :ae mine In proper manner BY making
y ann driving Il
proper method Of working the NINE
his new work your present company is about to un-
dertako and doubt not they will be richly rewarded
The present openings of the Dolly Hide show thai
the copper il contained in large vein of white, fine
grained dolsmits or magnetism limestone which bears
evident proofs Of having been in fused condition.
This limestone Allied With segregated masses and string
veins Of rich copper and silver lead ores.
The limestone vein ID about ITO feet wide, and Is In
cudsd between strata Of blue green and violet coored
clay slate rocks
The main vein runs north IS degrees east ami south rs
degrees vest and its dip 40 degrees to the SOUTH east
ward There also to be branch vein OF this limo
stone extending TO the north while the main
vein takes southwestsy at it, western extremi
ty, this branching forming Y opening to the west
ward and includes portion Il the slate strata between
ruo
molten doomts. This being the ciss, res iy
dsrstand why should bs richly charged With copper
pyrites, and why there shoud be Of this
the junction Of the doiomits with tho slate rocks
such seersgations being we'll known to result, where
molten metAsrous rock is formed into contact with
other kind OF rock.
The richest portion of this vein will undoubtedly be
found at the angle Of the where it branches This fact
has been observed by miner Mr. Stephens who
The copper comes In most to tbs westward Of the sope
now working" raw in the level which he has cut
the eastery extremity Of this level granular argen-
tferous galena 10 found mixed with copper pyrite but
the copper is nearly free from lead ore. the west
This level is only about twenty feet below the
face, ard ID ffy I've and q half feet in length
and five and half feet wide. 1t ia estimated that
about thres feet in thickness of tbs lode sufficiently
rich in copper to be worked that feet Of
it in thickness be regarded good 1t is mixed
more or less with limestone rcck and requires dressing
In the usual way for market.
CLOSELY resembles the purple copper brought from
Valparaiso s. ia Its appearance and ia its
with limestone gangue. Your mining captain sst mates
the present produce Of the lode three of Is
per cent copper per athom this level, and Of
opinion that he is correct in his estimate
The pure purple copper which obtained from this
mine in 1876 yielsed-
CoppeT... 80 1872
Iron ID 3O2