New-York daily tribune. [volume] (New-York [N.Y.]) 1842-1866, 1850-03-11
The United state. and Mexican boundary.

Hrom tie At4 Ca llrlal
We present our readers with the following sue
.inct and comprehensive sketch OF the Comm.s
siouers appointed by tie Unite States and Mexico
% run the boundary line between the two c0un-
.ries We can youch Tor its perfect accuracy, as
{ was furnished us by the kind attention OF a
scientific gentleman attached to the Commission,
TO whom we here beg TO express our Indebtedness
.Or his courtesy.
The Commissioners. Col W eler and Gen Condo
appointed by the two Governments for the de
NARRATION OF this boundary. met at San Diego
California, on the 4th July, l4s.
The frat operation agreed upon by these gen
lcnen was the determination OF the straight line
l boundary rem the junction OF the Rio CHA with
hc Colorado 20 the point on the Pacific one marine
easue due south OF the southernnost point Of the
port of San Diego
This determination on the pant Of the United
States was entrusted 10 officers OF the |. ;.
Corps Of Typographical Engineers, detailed by
the Secretary OF state % perform the scientific
operations connected with this boundary and
3rtvet- MAJOR W. II. Emory was appointed As
IouOmer in-Chici
The plan proposed by linn was TO make series
li a,tronomica observations simultaneously at each
extremity Of the straight hne Msjer Emory him
Sc. experimenting the operations upon the Pacific
ana Lieut.. A W Whlpple conducting the work
Al the mouth oi the Rio Ola In order 70 deter
nine with greater precision the difference IN lOneI
tu4e between mo TWO STATIONS, 4 system hl gun
powder flashes was projected, and Capt I'd. l. /.
Hardcasile appointed 10 make reconnaissance
among the intervening mountains 10 determine hs
practicsb,lIty-
pom the 10Th Of July soon after the arlyAl OF
he Mexican Commissioner, Major Emory sent
Licut. Whpple. with Instruments, &c 70 the
"punts. near the initial poIat OF boundary, with
Instructions 70 establish an Astronomical observai
rs and soon after took up his own residence At
Inc same place. The troops o. the escort which he
commanded accompanied him. and the station was
IGNORED with the title ct Camp Riley. VIII a
4, inch meridian transit ant large zenith te.cs
'oYe hoth mounted upon hrm piers, lie now com-
reuccd seres OF astronomical obser' atoms. Ia
lew weeks A Is GRAY. L. ; Surveyor fixed a
amp near the psnta and employed bis party
n runnins the shore Inc OF the bay. Finally, Mr.
Sa,azsr. the AStr. and Surveyor established az as
.ronomlca station IN the same vicinity
Having obtained Approximate results or the
sutude and longitude OF the observatory. MAJOR
Emory desired 70 transfer these determinatloHs 10
,hs initlsl point and the boundary. and detailed
Lieut. Whipple. by q reconnaissance and survey,
uo ascertain rs position upon the coast BY a
reference 10 the map aocomp Anylng the treaty II
seemed probable that the Southernmo.t point o.
the pOIt Of San Dlcgc. vas 20 be found on the
southern extreme high water ms u the bay
From thence South. the marine league was meas
2-ed and rs extremity transferred 70 the PACING
coast subsequently Ilt same Was NE tsArt0 uf
NJ Gray bat when the initial point wss finally
settled. the two commissioners wisely agreed 10
adopt q position further North. which would re
su.t from q measurement irum about the mean be
tween high and low water line. This point WAS
officially marked with al the iormalties appropr-
ate 10 the occasion. aid afterward MAJOR Emory,
assisted BY Capt Hsrdcastle, connected Il WIKI
the observa tosy by careful uiangulAuon The
observations ~ Camp Riley were also rendered
AVAILABLE T. the nautical world by being transferred
10 PrniA Iona az the entrance 70 the port o.
san Diego.
Upon tue s0th JAY. Capt HArdeaste, with a
marty. started upon reconnaissance IN the man
.sins Col Weller, with Nj Gray, designed 70
accompany him. and proceeded one o. two days
journey Bat being injured by the accidental hrins
OF shot gun. he was obliged u return AiteF AZ
absence OF two weeks, Capt Hsnecastie brought
back 4 typographical sketch Of an extensive re-
connaisancs II this hitherto Unexplored region
with report furnishing much useful Information
regarding that portion Of the country through Wnlee
the boundary Inc vas 70 pass, and interesting &C
csrnts Of the wild Indians vho inhsblt is n1An!
fertile and beautiful valleys Three prominent
mountain peaks were selected. Colorado Los
Pinos." and 4" Wiekinon." % situated as 70 rendel
/. probable that chain Of aAshes coad De carr Cd
unbroken from the observatory on tie Piche 70 ne
Astronomical station at the mouth Of the BIO Ola