TASK GROUP 7.1
JOINT TASK

FORCE SEVEN

APO 187 (HOW), %

POSTMASTER

SAN FRANCISCO, CALIFORNIA

1¢l feet Ceep all ecrogs the floor of te oratere

Heer the ecge of tris Plet

¢ & coutle return, the second return being @ continustion Corcrerc of the
shies, Trofecting these profiles down to the ecentor and besk out to the surface
ve pet on Clareter of €CS0 ft. end w Gepti. of 1E2 Me. I enced up with doudt
‘

Ve

victier tre flat bottom was real or just the distence to which fine suspended

perticlrs nad acttled, for Mr. Curran, the Hh chief surveyor comnionted ti.at lead
lic scunlings fin the center hed sons down below 200 fect,

For Jim Shreve and Luke Vortmane bith Larry Swift I heve been over to see
Sei cubicle om Unclee It looks foods the reuces are well mounted and fore
Free air measuremsnts include 9g
tumc tely on the Jandward end of the cubicle.
the

litheurertnts we well aa ground baffle fraures and the two ten foot tower errsys of

Larflec peugete The ground in front of the oubicle is «es smooth as can be expes=
ted, but behind is not as cood as I would have liked to sea it. The edee of the

felornd cuts asrosn dixrponally fin front of the structure with a 2-3 fte declivity

to hirh tide levelesee SBeosuse it now looks as if Ur.fon will bo burst at Fninetok,
Swift end I considered the proposition of instrumenting the S.lele building after
ell, but decided apainst it, at lexst tetween ourselvese
=
Generel ocorcanta for aryones

On Bravo the raures on Fox=sCsorp: were activated.

Pressures were ebout 5 psi, clean waves slir!:tly rounded at the peskse

Trees and

gwitle on the LoreSeorge string suffered severe demsgee Cu Tor just e few bee
Creccled palms are lefte Oa Fox the underbrush ie all blackened and rone, the
tress mucn the vw orse for weare On Uaucle treee not scorched, but m conueiderable
trount of wint thoowe Cars on FoxsCeorgs flattened end burnt to the -rounc, very
rrotetly fram seccndary firere Camp om Tere damtred, meny tents oolleceed, some
turnct, cers hall carved in, tut more ruzred buildinrcs still stendinr.e. “ere preesure

rapory.2 1.8 pele

Tro sirplancs vere in delivery sosition, a De35 enc a 547,

The

Yost instrucestetion hea workec fairiy well, co vat
lirinco data ¢> send vou:
weet,

loeb

Stetion
122.606
122,07
122.08
123.02
123,65
125.03
Copied /DOE
LANL, J-Div,

(E21)

Shot

Rance
fr.
6265
7100
7517
12873
1832+
405°

4

heit e@escenad slean, but the BSS was davua-sd, Flthcuch not so bad buy whet it flew
beck to Fniwstok e-d Incded. The BeS6 ware xt §9,090 M,. sltitude, rance I don't
kata, tealleon positione Littlis thermel] damars, rvubbe~ scorahed ineids blisters
just forward of the tatl, and blisters or the treilin- sce of the winrs. Cone
sidexmable blast dame7s, in particuler to ths bo.’ br: doorn.
I understand the sare
Dlese wae to be run in closer on todsys shot.
heve @ Warlety cf pre=

bravo

Pos Pressure
pei
22sec
lei:
116
38O
18.67
4.5

& Gauge Katins
157
123
2350
12¢
Té
3°

Select target paragraph3