The New York herald. [volume] (New York [N.Y.]) 1840-1920, 1875-02-23

Gent data for closer delneatop Of the 90
made to to sph sssea
the Of rvss s9n sSS
shore the soandinas were taken with sounding pole:
we're made a lei the oowns
= First j. W. ,olweli's lumber yard. near Harlem
ssessa-,; Mouth o hermqn's Creek.
Fowt--oId per ~ ve hudson River Railroad draw.
inc taes were eyed during three lunations a. tide
qnd as e snrve Sns " es
ona lde ganscs we're LET up near Mscombs Dam ans
sewi.e made At The Tour principal tide gauges during
careful line Of dwellings in order to con.
nee The various ae gaas os Current observations
fHs-BetwSen the New YORK ana Hudson River Rail.
f0sa e Ssass aq s ace SFf Dam a'''Ss
Lowth-About SO ieet below Fordham bridge. ..~
ryM IN spqyen Da,y,l Sreek tetwesn the ROLLING
S,rh-ln The hudson River OIL the mouth OF spuy'c"
Loaded poles reaching from the surface q the water
70 nearly the bottom OF the river were used as n0as
shallow Spuyisn Duyvil Cree ana upper Harlem;
aroey
Messr Dc foresta and poerTer Most OF ine ievs
Preuss superntended the boring operations in the Har
| lem River.
nc he or s fse rst ana cconi reductions
the ns sar %
the resulting mean reading and then nitro.
soaadDs s ascn BY the United States survey
s s are n he ds Resulting
. wsrs Doiea
OF the tide gauges The maximum ana minimum sur.
lo oar s eSls gauges s e
hours da he current curves were
p mSm ve % and slack water
as The Of Tie rules RUE tSanS when
'f BY the a
6sen ne Ursns Dds afn lines ana are shown
h~,d-o
with the he ] II no Coast
AND d e sf s Se h o
ing deepened wdened and s,rsishtened itself through
combs Dam deep water basins nave nave been formed
have rom l. to q feet at present. ana where below we
formerly had to Is feet, Low have from is to u
From MacSmb; Dam 10th street the deep water
rom iSsth street to 72d street where formerly the
channel e the sasiery shore having deDh
stream and reached depth Of oyer 4 feet now
np qa & a. s7 ns Same tune
,'G sssS The
h a Tnnd m we ] ana Si
mare 9o DO q New ho INC aeep wafer mas
The with OF ~ the channel seems TO have become more
UNIFORM Throughout. the entire iength vide places, re.
streets have , rliay hi,ed no while verv narrow
places such as opposite lsst. sith and 1874 streets.
from ASH street to Fordaam bridge the has
While tlc direction Of the channel remains about the
same IN spnyten Duyv Greek has nearly throashont
an exception to this opposite asth and slg
the has considerably decpenoq
the fair channel in the harlem the partial
the aoS ,s CID 10 slas ss
neh i yst % M IN ,ns uhtea states Coast saTvey
oea caused seal BY passing steamers 'p0"
The In IA e a % w the kye
am clay underyIng Win the exception OF the vicinity
Close easerly pier Of the eraw at Macombs Dam
OF over mean low water. Again. the debris
The sn
obstruction 10 both avlsatiOn and tidal propa
mud, which reaches depth Of over Is iest near
s ee noun DEPTH hs the ID null at
Canal Here the groundd, rises about Is feet above
attain height Of nearly 50 feet above mean low waite.
mostly Of marble
Hen Gate while the Latter the result ths
the pdsen River and pIyy SrssK "a arr pro-
BY ne ao m
Gro9kea water connection Of the spuyton Duyy Creek
TIDES. wnen the creek runs dry at
Fordham bridge but It is however productive Of local
na 6 "a es By aRe the
difference IN the level OF the Hudson and Harlem rivers
waterway interfering with more gradual change Of
The tidal wave passing up the Harlem River steadily
Sase e as mean e ara a Of e.
Harlem Bridge or 70 feet greater than at the ives, side
ie range, being at Workman Bridge mucn SOS
mans Greek distance OF 1870 ieet ioI ee ana from
@ ee or creek total e Of q
bridge Fordham Bridge, distance Of ss4sO feet
The connected establishments are near Harlem Bridge
ham Bridge s os % orseA iOh i'm ana At
Under normal circumstance. high water stand at
Ford Bridge would be about nve minutes later than
at ahermans Creek but owing 10 the slight inIerfer.
one e mnue sooner 1t Fordham Bridge than at
me deviation Of rise Of tide being Oh 2sm: 2. Harlem
FFage rdse W Ge ar on
nss respectively about seven and ne minutes at the
In the Hudson river high water occurs at the mouth OF
hnn at sana distance
Spuvten bayv crees the main rise and fa OF tides
compar ns the Harlem River tide at Fordaam Bridge
with The Hudson River tide at the mouth OF the spuyten
fpst-nish water happens H. s4m sooner in the Hud.
son II re sma fail of tides in the Hudson is
smaller BY ) IL ieet than in the harlem
shorter in The Hudson than in the harlem; again the
a Of dss s as 80 mn S onssr IA as
OF stands continue over 70 minutes longer In the Hudson
FourU--Tne level OF mean high water of the Hudson
is 0y6i lower than that OF the Harlem while the
mean low OF the Hudson Is 49, feet higher than
that of the Harlem.
Fi,fh-Mean level OF the Hudson the mouth OF Spuy-
ten Duyvil Greek is I265 feet lower than at rordham
Bridge: the height OF mean level OF the Harlem near
Harlem bridge, above the level oil the hudson At
the mouth OF the spuyen Duyvil Creek, Is LOS feet
II the corrected establishments OF both the Hudson
and Harlem river tides were the ana the tidal
Of o the the s ss
due 10 connection OF botn rivers by an
open OF uniform section.
But this not being the case recourse must be had to
the results of the thirytwo hours continuous tda OBJ
servaiions BY plotting the simultaneous tidal curves
with TO the absolute level may prop
ery conclude 80
f,rst-lhai the surfaces of the Hudson and Harlem
reacn the elevations restoration OF level ut 3h
SIN and sh. som. after moons transit
econd III at the greatest differences in the elevations
OF the surfaces Of the hudson and harlem maximum
happen at Oh 6n. aud oh. lOm after moons tran
respectively. the inclination the surface be-
ing In the first toward the Hudscn in the second
case 6h. lm. AFTER moons transit toward the Harlem.
Third-beween the restoration OF the levels there Is
tendency OF westerly current from the Harlem TO
the Hndson during 5h Bonn, and of eastery current