The New York herald., 1871-02-19
Shipping Notes.


being energecay prosecuted under the direction of
raj John Newton, Engineers For the past months
great progress has been made considering the obstacles
met with, and great engineering ability manifest the
mode adopted to accomplish the view The obsruc
on an extension of the rocky ledge which
the upper end Of Manhattan Island and which crops out in
so many forms thereabouts necessitang blasting
and hard digging for the streets and cellars between the
Park and the rivers either passes the narrow
crooked channel of the East river just above Backwea
Island causing by its resistance the rushing tide the
swift counter current and whng eddes which always
made that channel dangerous and have given the
rressive name OF Hell Gate. The dangerous portion
OF this hidden ledge where Haes Point JUS out from
the Long Island Shore reaching, by gradual Slope
300 feet into the channel before aalns depth
OF SU feet beneath low water mark The
at the rate of from five eight knots hour when
the tide ou some portions OF the rock has depth
OF but tive feet Its force is great sweep strong
man instantly OF his feet
II is this against which the engineers directed their
FIRST Efforts They began the by sinking shaft
to the shore 60 feet broad extending the
river about 100 feet semielptcal for shielded on
'he water side by Golfer dam miniature evee 10 feet
high This shaft depth feet below
low water mark Out from It, level with It's bottom,
they are now engaged working what termed unnel
headings" 10 In number in every direction river
These are III feet In width at bottom. archei the top
and have an average length of 800 feet. Their
height is Is feet the junction with the
AT intervals of so feet beyond another are these to be
excavated galleries running entirely around cross
every one of hese tunnel headings This will leave but
she'll the as thin as the work.
men dare TO leave n-being supported by what may be
termed pillars or the portions of the left standing BY
the intersection OF the headings and galleries The pillar.
are TO be pierced at last by excavations the exren,es
oi which the powder for the last grand explosion be
placed All these pillars being connected they m be fred
and what remains of the rock It expected will be blown
81 Rpau OF II nvvflt he
remove them by large steam dedges But the object ia To
eave as little for the FINAL explosion the subsequent
dredging as possible is far easier the
workmen dare to by the present working under the rocky
roof The crust which remains the tunneinc 10
feetthcK but 1t would be impruden to make thin ner az
there great danger OF opening seams in the rock above
through which the water would In the works
Though this work is comprised within so small compass
Ia really gigantic in Its nature the aggregate excava
uons are about mile and half length Or accurately
1856 Feet OF which SU04 headings 75 gal cries. and
2o7 powder chambers In audng this subject the Me
camille Journal OF a late date says-
Great difficulty results from the extreme hardness of the
rock Some dea OF this from the fact IN in
many places TO sink hole inch bali in diameter
English drilling for the SHAFT was done bv see oes
eadn M have sa Ti,ae y time
however to Introduce compressed power Partly
ds aa 1 par1 ;9e Ss In
has than ne m % h
tunnel There was from one and half feet per
9n;h s9ns ;ms For o. blasting here T Poser
have tried sucent success 10 Maprant
ne adopon Too great force in the upper portion the
water through other parts no hole is reaaired
In or % charges are rei nax .n' az o. 5s
time gong being previously sounded give notice 10 the
the opening OF each tvnnsi TO prs
thy eo G air 80
often swung out or 10 feet. 80
One hundred and sevensyHve men employed on the
nj vOPkt rat~n
resting sirteen hours probably require two wears 10
complete this gigantic undertaking.
Marine Disasters.
snIP BRENDA lBr, s5s tons, Mack, Newport E. for
Island Bristol Channel, 18th inst A'1'' ~ SANDY
BARK CoRSwALLIs-A pocketbook was washed ashore
sPs sra 1,,,r i. Spain ship cornwa
Lynn street hartepoo ssrx seaep
saed from Liverpool Jan for Philadelphia and proSa
BRIG GRoRGIA, Swan, from Georgetown, sc, bound 10
san Trinidad before put into
gale from Ne vessel commenced leaking badly and kept
@s ong ns1 ~ day gale and leak
rived OF the bar Tuesday night with feet water IN the
BRIG ELsEY (Br) Roberts, Holiness Hole from Cape
put with the captain and two sick of fever
is days Of Hseras "'"u' INC en're pa''Ase
gsona soMR "a VITO @ a, Holmes Hoe from Demar.r
inst, but came of same night withcu. damage
miscellaneous.
TuGBoAT d sTErsoN, 3s tens measurement, formerly
been sold to Cap, Caas Others Of Bridgeport c.
and VIII be taken tpthat place to be employed towing
permit
Notice to Mariners
To EDITOR OF THE NEW YonK Hp,nxnp:w oO 40 ''"
Richpond Va thai the bar Trents Reach James RIVER
ned s g s 1 @ has
now open with line of buoys position designate the
Respectfully yours. RID MINOR.
Engineer James River Improvement
spoken.
Bark lbex tNor) Salicah, from Newcastle E. for New
York Jan ~ lat IS 80 Ion . TO-
schr Sea Queen, from Charleston for Bridgeport Feb l2
schr Charlotte Fish, steering north. Feb a. lat, &C.
Foreign Ports.
AouIN Hayti Jan soln port brig Thos Holbrook tBr)
CADlz Jan 2scleared bark Excelsior Bowers Bostonx
an and E sius sstsr for New YORK khsrsons.e
WhasT la swap. ioI Boston Do h. ws.nnson, TtsomS
s ss% % 4. s ka Ig%
pool sTesed c 9TH National Eage drowe from Cardiff
for b. gssHn
shp M CD out O days from England had been
sailed from saugor 9, ships Lincoln tBr wnks for
B Ma BARN bark aibson smaey @ coom
hA9TiKs Jan s aon port brig Anna Edridge, cnf
foFa fSr p9 Dc ras 70 saa for Boston Chez, from
werp for New 4ofa Put n Atlas 's sheen 'f0m ant
F6oolow, Dec so-In por. oarks carnarvonshi,s lBr
for do do Ferdinand No) Meyer for do Forest Belle Pc
terson,
Hone koNe Dec Pin port ships Kudonau Brl de Lo
nle Tor Manila TO load for New York; Annie Smu, Pack
er for San Francisco Fomosa. Allen Golden Hnd Hatch
Highlander, Foster; Malay Clough; Sea Serpent White
Sonora, Paine and Shirley, Williams Guiding Star,
sod baTks Envoy Berry for San Francseo dg
Nchoas Thayc Crosby, for do do brig stephen BISHOP
Foote, for New York dg Bark Carlton, Freeman, had
been chartered to load AZ Manila for New York. 80,
Sailed Dec l2 Witch, Bursey, Shanghae l4h schr
York.
HALIFAX, Feb l2-Arrived, brig Empress Br), Nelson,
New York.
LIvKRPooI, Feb ls-Arrved, bark Sabine, Breaker Gal
yestsn lSsh tats AND, steamships China Macauay New
York 81 Louis (Br, GilAn New Orleans; ships Emma
Rich, do; Lotne Warren (Br), Lucas, Savannah. -
Lisbon, Jan 26Sailed, priss Goodwin Craig Alicante
Malaga and New York David Owen, Chadbourne, Rio ia
neiro
AAErLA, Dec Sorn port ships Aberdeen Br. Gould for
New York lds Golden Fleece, Adams FOR DO do White
Swallow Knowes for Boston do; bark Chattanooga Free
from hong Kong arrived lith TO load for New York
schr Alcyonc lAml from TArnate arrived &h
Sailed Dec 8, ship Mindoro, Reynolds, Boston. -,
QuKENsTowN, feb Is Arrived bark Corioan (NGh Won