The New York herald., 1876-11-01

Examinations and from the Gulf OF San Bias
United sis,es Navy. P 2s7o - 00mh.la'' ss''''ss
Cult Of saa Bias By Comm andsr T. r. Lu United States
Several tentative instrumental lines in the vicinity Of
ass l sSy across re uordlleas 70 the waters Of
parties under direction Of r. O. ssifrdge
% baronetrcai reconnaissance of the so-cslled DE
ths Atr.,o River 20 be connected with the
Ucmmsnaer o. ssiirars. ussa sa's States
Tentative Instrumental lines BY the sOe..d Gosorra
from the eastern via tho Arato. Cacaries
Tayr. and Cue across the divide parties under The
Sissst'9n OF Commander I. O. ssrdge, United states
An ins.runsntai examination Of what known
sna s. u1.sa @ s,ssss Sssy 1861 Tunnel
An rsc"naoi..sncs Of the ssppi and cuis
vss nsiudinE reconnossAnce Of the River ths
sds Ua.sa State. sssy sa and S is
cation q route by way Of the Happ
nss1 tns 1ssasss s.ss Lsassnan' Frederick Collins
The results of these several explorations will now 90
briefly noted IN the same order
inSeriortx 20 o,ber spowr
points
Nuaser Of locks required. l4o. Length Of c.n.na,su.
z N,cAsaouAMA summit q io7 feet length canal
gaon By means OF dams In the bed San River
.ance Of niles navigation for Soa miles 90
Virgin Bay ana thence via the valleys Medic
This plan involves the construction OF four dams
having an average height OF 20 feet and an agere.
gate length oil $40 yards OF twenty locks Of an
average lit OF 10 2s 100 feet EACH IL also involves the
construction OF two harbors of sufficient extent TO in
sure al least smooth and safe entrance exit
from the canal
J. PASAAAThis survey, executed as has been said At
the request Of the appointed by the President
actual location along entire Maps plans and
estimates tor excavation anS have been care
on basis OF cost for like labor
The report OF tho survey published in the Appendix
N ~ nf in Nnfl hn NM fnr -
does not appear 70 have been IN n Droulets posses
sion.
San BLAs-Ths surveys Of Commander sslfridse from
demonstrated that there practicable route be-
with tunnel eight miles although between ssss:
points the tides each other from the
), CALEDONIA THE tentative instrumental lines
70 q Il ss
sucubt rivers showed tor the second time nor
nation OF Edward Cullen was an invention.
The line from tho southern extremity Of CALEDONIA
Bay crossed the dvde' at elevation OF $50 feet
and struck the bed Of Sucubti at height $50 feet
thus precuding the possibility Of any pass under that
altitude above the point reached the SucubtL The
line IRON tho northern extremity OF the bay up the
valley OF the Sassard and the dviden TO the
Mort crossed at an altitude OF 14S no indica-
ons Of pass under 1000 feet could be discovered
This line is marked by NJ DrouIliet for re-examina-
ton.
DE PuYpr's RouTE.-The exact line advocated by De
Payd As oSsnsd from . Who had
elevation Of es feet had been reached, while the
eural mountsin esrome.ers used syel
s
established at convenient distances
and until se.. o. ossorvaons had been Obtained
ns .he west COASTS Msc wsps
in the OF this supposed route established the
wsi. indeed necessary ESTABLISH this in The ease q
those who have done no more than mako unsupported
scrtions
Our regular line OF survey--by way OF tho Atroto
and Pernuchita tho cast and the Tuyra and
altitude OF 712 icet while little further north Cap
tain Selrdge crossed ut height 400 ieet as cstl-
mated from rough observations with the pocket
aneroid.
N. Gogorza claims that Captain selfridge's ex
aminations did not cover his proposed route ana
1t Will always be possible for him and other
authors OF brilliant but vague projects to mako this
complaint regarding any expedition not led by thom-
selves. Whether the exact route proposed by H.
Gogorza followed In this not il is certain
that the explorations sufficiently extensive to
show that the whole country on the Pacific side of the
divide especially 10 network OF high hills which
feature taken IN connecsion with the extensive
swamps the Atlantic side, Is sufficient to,condemn
ridge
Tnls locality, with two preceding ones, involving
noted by N. Drouos for examination. He thus an
trcly ignores the disprovcment OF the socaled Cullen
route by the French English and ourselves In lso4 and
ths others by tho governments surveya
The Trundo route ras reported upon untayoraby
Army aud Lieutenant Craven, United states Navy. in
and TO- Tnx ArRAro NArIrr RourE-Ths was exam.
ned by parties under tho direction or Comm
naaea ofcer definite instrumental location fcy canal
msde the question Of addSn.l water supply from the
construction framed basis for like labor
Is to Be- found in The appendix 70 tie rspol
The lack Of appreciation publishing this report and
that made BY Commander Lnil % Panama In full is
his list of authorities.
THESE REPEATED AND LAHoRIous SURVEYS
certainly inaicate the continued interest which the
United States have taken In tho construction OF q
canal This interest dates back, indeed TO the admin
isratiop Of Mr. Jefferson, and its appreciation by the
Congress OF the United states was shown early as
1885 by elaborate report in the House Of Represent
atives as well as BY various official inquiries and
now raE EXPEDITIONS WERE COMPOSED.
The scientific stall Of the hrst expedition OF Com.
mander seiirldge numbered thirty-nve members, in
Guiding astronomers, eeoogists intercollegiate topo
graphical and photographed engineers, tserraphers,
photographers and others. The attached 10 this
expedition, exclusive Vi natives employed laborers
numbered about 800. Three ships OF werc also
attached to the survey Two on the Atlantic side aud
one on the Pacnc rno scientific stan OF the second
members, exclusive Of the officers Of the United States
steamers Nlpsic and Resaca, both Of which, with the
United States steamer Guard, were attached to the
expedition. The Tchuantepcc and Nicaragua expcd-
tons we're equipped with liko bcray. Able officers
OF the Unlcd Survey and civil engineers
were associated h the commanding officers these
various expeditions. The work assigned to the
pedions thus equipped was laid out by careful and
ample instructions from the Navy Department and
satisfactorily performed The results Obtained
believed to be all that the nature Of the conditions
dcred possible
LAYING OUT OF WORK.
None OF these extended surveys conflict In any de-
gree with each other with other partial surveys
reconnoissanccs which have been times undertaken
by private American enterprise any authentic In
slrumenal surveys or proper tentative lines IN the
possession OF N. Drouillet dsprove contradict any
one Of our surveys this would be certainly OF pro-
found interest to the learned societies Of The world
afford for them foundation for further projects OF
exploration, however little they considered
sary by those who havo gone through these repeated
practical labors and experiences In tho gloomy fast
nesscs OF the great American lsthmus.
Our surveys have been undertaken and conducted
with ascertain the reiAtIvc practicabty OF
all possible canal routes II is affirmed that they
sufficiently extensive and minute at all points 10
afford the engineer ful data Tor locating canal and for
estimating IT'S approx mate Actual Instrumental
locations OF dctcrnnate lines throughout made
nj three points oniy-at Nicaragua Panama and the
NapipL The tentative lines ia other places were
frcien IN heir I'm