The greates A
Lo observe, transport '

fogs

gult in 3a sevine «*

found

{1}

in more

Pacific Southwest Region

Reproduced from the holdings of the National Archives

viplm ois

scr

nS

pe lat on
wae

Any measurere-

for seconc

Poo

bem em

‘ynts

anpeete

etc,

tae

fr

swans nation

nee ready to gro, any

ae Ra rw ohabd?l dts af re-opserving

hr

3 he resection limits to ob-

roars

arhetde che “dmdt, will

ree

.

‘a+.

from the mear

*

tm

The followinr
be

’

Mery. thee

.

refinement in «bser. o..
a station is well jis:
servations, even tro.

tw

‘¢

~

inde

seed oop tat
reoary,
efee tar

e 98 acceded ter the HEC & SS, and may
ger oD,
taei py omc ee than four seconds
ond kh more than five seconds
mearyed using the same positior

setting.

(2)

In apelydre

rounded off tr ‘t-.
to each otservs*}

(3)
“a

a

b
Sopa eS

ff any observa ions
7v

4

the

are re-observe:

(4)

of the observatio:
mean woulc
im

Using

rico
& ras

these obseryat

wes

ws

and new olsermyr
are withdr tee

4

Pome,

Poe

‘+.

After n t:.

ope

:, ar @ing °°

& trial mean

fo

‘rection shuld he
big

argtawiann

¢ rplied

t

ate

(including the in’

of
pet

ne
map
Ler
ne
:
‘

(4) No readin,
tention urless ce»

more than

4

or te

¥

obvicusly exceet +
trial mear are

(5S)

1

ht pen
go thar $

ro

by

ai proxivate rear as to
“stecte: before taking the
Soe wit rin the Tintt sf pee

‘ so meer, & 4 re

se jectior Limit any observation

settion mean) whic differs by
ae antec

The retected positions

‘Section limit applied, none
we bneed ever tenonech the new

sip ct dane

woe te
S
agair apploed,
"Ff any -f
Hate
o
cn lindit shey are rejected,
He TE et
2)
ceaprad nordtions
Ll

7

se

Pe gt thnné

mar

ama

rye ge

orem tome ff pemes within
my td

tee Awe Nee
~

teen

nb wonm Fy kad
wt
det
;

.

“oath.

ape

wo dinge
Trees

yg

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