3

rH
oO
4

bp
oO

ct

Oo
ba

ct

b>

ps
at
6b

iv
ka

P

_

D

It dL

0
Dp

ty

@

Ur

ct

n

it

Be

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Cc
On

i
om

tJ

we

vn

5

oO

pf

ry

)

1S mere satistacvory.* When eltner To7m is used ror tne extrapolation
of TNT date «> megaton nuclear explosions, a certain range of uncertainty in R .s shown, resulting from reasonable values assumed for the
uncertainty .s fi 4.) and r(m).
Tae uncertainty in R snown by the suggested equat.on 1)
13 smaiier tnan “iat snown cy the equation Porm
» OY tnis report,
used in tne main uo
Anotner and ucre important ceneri: adduced for tne suggested form
is tnat tne ovel ote: crater rad.: Yor megator explosions nave a smaller
spread when ..1. .naracteristics are :ianged.
It iS tice

of colon

oF tne autin r

* aw

une oenefits

incicated are

illusory and “sai tne form usec .1 tue main oody nas a slightly better
basis.
Tse ‘me .@.ue Of crater -Ac.us produced oy @ megaton explosion
in any medtun cther than tnat ex.sving .n tne Marshall Islands will remain unknown 0%). sucn a snot is “iret and tne resulting crater measured.

In tic meantime,

ted values an. o8i:
tnan over-opt.m.en.

it is

fe.*

*7a°

uncertainties

.

caution in stating the expec-

eaotly greater military use

* One piece ci uwtformation whicn 145 oren put forward as favoring the
suggested form .{ #guation is tne
es. * of some cratering experiments
in the Marsnali

Jiiands.

Trese experiments were

of Dr. EH. Karey wteons

Foundation.
1954,

«iit.o2

"lL. A cer.e¢,

:

gurrent.;

oo

uf .WPEF ¢ $24 \ (754.2) dated 26 Nov.
.S ow ere fired on Zlugelab
ei
(Flora)

ig: explosi.e

Pp

Island, Eniweto. 4ts.l in tne springs

cf a compinet.c:.

run under tne direction

une staff of tne National Science

yor.

These shots consisted

2 .-°-HDA(t-21F- -b > Tetrytal), primaccrd, and blast-

ing caps bile.
oro 1e8enlve Ssrape
m SurTace wnicen had Leen excavated down t. tne wien tite leve.
» was estaclisned around the
cnarge tO prevent wave snterferenc. °.
tn.s proved ineffective.
In
addition to ei.
eOoCrn Laformeat oo;
‘re crater radii were determined.
Tne crater deta

co ta.nea

Yrom toeoe

Grounds may cs user t. establis. =
coral witn Nevaca so...
m GAMMA.
Sue
le
wD

W(tons TNT 29...a

on

TB

Sb

onet.

at tne Pacific

Proving

5 .
tactor fo- comparing saturated
Oo. ‘' se sta is as follows:
== .a
a

Trater Radius
QR.
o- Tt.

c

3!
R./wi/3 |
|

|

|

poe,

;

.

2
y

Ly

a

oy

eee

oT.
32

218
1.49

|
|

ass

1.47

‘

ates

_

.

3

:

AV@ragge:

.t

vera. average

First snot omitted |

1.39

1.47
1.00

1ek6.

Select target paragraph3