Daily Kennebec journal. [microfilm reel] (Augusta, Me.) 1870-1975, 1888-11-22
TRIANouLArIoH.
A Kew Map Of Maine Being Made.

fe~ years, and connected with this term Is
tina, other and allied one 40 much used Il.
careful surveys and map making, trianguls-
tIon- In making accurate surveys Of large
areas Of the earth's surface or Of long line.
OF sea coast it has been found that the orsii-
nary pane surveying has been ina Iequaie 10
reach absolutely correct results. Hence
has come that branch known ,s geoiie, or
that taking into accoun. the magnitude and
figure Of the earth. xhich are on so naagnia
cent scale tha. no area. Of any eonsi,sra-
bic extent can be correctly measured and
mapped without doe regard To its curvature
For instance due north lines ten miles apast,
~hieh would be regarded as parallel in plane
surveying, have been found, in fact. to have
sGch a conveyance in their middle ATTITUDES
AZ 10 approach each other one hundred and
atty feet 10 distance Of ten miles. This
fact has been proved over and again in
the measurements made by the L. s. coas,
survey. which has found the location Of
points. racks and lodges to be much out OF
the way if loeated by AIRY other plan than
that Of geodie surveying term having
in late years been attached to the technical
dtle Of the U. S coast snd geodie survey
Triangula ion IL the basis Of all goedic
surYe5 ing, and IL the foundation of the eo4.,
and Geographical maps now being constructed
by the above canned department. This con-
sssrs OF series Of net work Of triaDgles with
which any portion Of the Earth's surface to
be surveyed is covered; the operation being
the measuring Of the elements necessary to
determine the triaHgies into which the County
to be .HrVeyed is supposed to be divided. By
TN. means the positions and distances of the
several points connected by these triangles
are hIed, and thus absolutely accurate meas
ure ment. Of points the Earth's surface
regard ing had To its varying contour and
coniigura,ion are obtained As will b..
readily understood work of this nature lie
necessarily slow and expensive. 1t can only
be done by the general government or the
both national and local authorities, Within
few years the Z. g. Coast and Geodic
Survey of which Maj. J. W. Powell is
chief direc or, has undertaken the work OF
M" '"'s"s '"e maps Vi 'ns
Older States. from triangulstion surveys,
The work was commenced six years ago in
Tennessee, and since that time new and accu-
'"'e map Vi 'he o'A'e' Oh "aSsachusett' ana
4
'''''' nave ''e' o"'hi ie'su' "a'sa-
o"u''''' having APPROPRIATED 'he sum OF
''o'''O 10 ASSIST INC "ofN Oh the genera
so'ei"''e'' anu "aa'e" ''e eonhP'e"oh Oh
''e ""iA'
NAV MOI oe sene'a'iy KNOWN 'na' TWO
""'"e "'e" A'e NJ" oo"n'e'eu "''n Tue y D
|oAs' anu "'snic survey anu mat coh'iu-
e'a"'e VITA mas "een uo"e ''e PA'' 'ea'ou ny
WIS '"'''S "" "e p" Anu "'e"ia'e map
Vi o"' S'"''' i"ese mt" are '''' Hehry
"s""e"' io'"e'S Vi DAHL Nho " Nn'et Oh
tne "eoeraPh'eai department OF 'he survey
""u VINO "" also iiea' "eoe'aPher l" 'ne
''''" census 'oi ""'e" he Pei'o'''e" "i"0"
'"po''a"' spAc'Si No'A anu "r- D. o. "A"
- - ii L.: -
-
A., G..
=, ~, -. -,
MI udhhe" INFORMS us 'hat 'he t'ohe gen
go
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INV" Ht7' III ViHti =" So''t N"V ""ViV ~''"
az the work was carried northward. Mr..
Gannett tells us that the maps of Maine are