The sun. [volume] (New York [N.Y.]) 1833-1916, 1894-04-29
WORK OF A GREAT SURVEY.
CHhHeEs ON oUR COASTS THxT RE-
oUIRB CONSTANT WATCHING.

Tbs rise Chsrts OF ths Co.'s, .na asos.,,e
survsy - Settling Natisnsi and State
Bsundarfss The Gsir or Msxieo Forty
Inehss Higher Thsu che Atisaus at
Sandy Hosk = survsyi.s Usdsr May
Dimeuities-Our vs-,ou- K,nd. OF M-p..
| The Coast and GeodstIc Survey has prseti-
cally completed. except In Alaska and along
some other parts OF our Pacific shores. the
survey Of our vast extent OF coast line. II does
| not follow. however, that We have no further
| service for this bureau. which IL famous the
| world over ms one OF the finest Of scientific
| organizations II will be many years yet be-
fore any OF It's activities can be spared. and a
part Of the work IL carries on will never end.
It Is found to be necessary. for instance.
to keep q constant watch on such impor-
tant places as the harbors Of New York.
Boston. Philadelphia, and many other
ports. for the sea throws up sand. the
land waters bring down silt and notable
changes occur every year in the channels
Sandy Hook. at the entrance to New York
harbor. grew more than quarter Of mile In
the twenty years ending In 1864 A while
ago complete resurvey Of those great high
ways Of commerce. Long Island Sound and
Delaware Bay. was finished. and IL was found
that very important changes had occurred.
ineh prNa'e anu puoho en'erprlse - al .ne
MniIe "aNisR snsnkoe VI mV"sns a'ouR .ne
Of the times. should be frequently revised;
so the photographic feature Of the work will
never end.
1t was long ago discovered that our coasts
along the Atlantic aud the Gulf OF Mexico are
particularly unstable in their condition as
regards the location Of bars. shoals. and
o'"or ,ea'otes "n'en arc CONTINUOUSLY snh'-
my lne s.au OF ,he suryey nave oeen 80
iaiRey occupleu win ne" Work 'nat some OIL
needs Of eommsree' Much Of the WORK now
represented on our obarts ia forty reara old
80 oonnts,,,. =. o. ,hai, ,,n,h,r,uo o,u.
continually growing in volume Some OF the
resurvsvs have already beon undartoksn ma
partly executed. The resurvey OF Boston har-
Dor is now In progress and will be com leted
IN anotheI season. me work is aoundanty
showing the wisdom OF the resurvey. A re-
nm ,imost e,ti,s racnn.,rn.tion y, ,ha oh.,t
.n ai'uoss en''is leeoue'rue''on Vi 'he chart
lively demanded. and otb.r iocaIi,ios ap.
nressino unon the subway for e,smirotio,
On the Pacific coast I GOOD %I DEAL of original
work RENT aims to DO done along tho shores of
northern California Oregon, and Washington
rapid survey Of southeast Alaska. In the
nature of A recon noissance. has been in nror-
ress for nearly ten years with excellent re-
suits. and It will not be long before the navi-
s.,S., 1870. M $50 ~. 80 %. la.
OF that region. Inc area from mount OF. Elias.
tisn Islands and along the shore, OF Bshrino
sea Ia as var virgin oround such cbarts "a
the Coast and Geodetic Survey publish are
ompiled almost entirely from foreign sources.
or. in a few cases. from examination by vessels
OF the United States. the work In all instances
being of a roughly approximate character,
prisins that there are statesmen in Washing.
with the Coast and Geodetlc survey This
aet .h hax wtnin soma 9,
msnt Of all our scientific work as would almost
information SHOWING tSSt in dollars a snd esnts
this work Is most profitable !s, Investment
minds beofe they will Vote cent to carry !, en
state D4ahdsfies nave been In process OF set,
Ssrn "n ,ne aia o. rne eNasp ana ne9deti9
prrsen1inG themseireis and 5, they can be- prop,
m met peculiar e 70 this service ExpsIlsass
psr,s Ia am now speaking q the ssodets
seuds,ic sSrSer i, tSs mos snd Ianed
81 ali he ~SrT sSas d ssp 'Ss
ncnm, ot me enrt Tn wnUut Wnish no luY
~. aiAH =. ~. soontty ~ $3.50 oeai9
is posslpie; ne survey mas ALREADY extended
w afe .. es d tm ,he c0ntln.nt ana
necessary systems 81 II'ahRuiatioI. when VIII
De AosoIutey requlIed 70 give staOlllty and
conference 70 the INFERIOR surveys. especially |
th1se undettasea ~ state &C. Governments, ,
tIateu Dy ths results ot the leVeiiings that were
Gar, carried on di9hg the Mssissppi hivsr IN con.
hoeuI1 Pn VIII the ,ttanscShtlhental work. Ihese
Ieveilings ptoVea that me surface OF inc ocean |
AZ the mnuth oi the Misslssippl hiyer Is tofty
tnehes nigher tnah II is AT Snndy iioos: rms
pS poin.s 10 sne cau ,1 OF the u9t otreAm.
ne uaue Nlnus urlve tue waters o. the Carlo,
bean sea through the strait OF fucatan ard
P n, a ~ w " .ne uui o. meHico WAFER noes
MT HVw WHEN on ie,eIi anu " Is TINS pilnR |
y w Of Ihe wateIs. OF whloh the Coast ana Geo
,h seic Sur'ey neeureu posiive PROOF, tnat eyes
nv nul etrtam tne mlgny Impulse Whlch
aTbSes u OUT into tne Atlhhtlc' -,
=, ielnaps lew people RENE per now greatly
the county was lnueoteu 10 the Coast survey |
curing me war OF the rebellion' Ihe Tate OF
pattie often uepehus upon lutte thinRs one
o h our ueneras salu ne kntW OF cases where
sh eg nature OF isnns aetermineI me result 81
nEht; lgnorAhcH OF the eklste nce o. canal
at ieurlcksDurg cost tnusanus OF ives ana