Column 5
The following explanations apply to the columng in Table B.5.
Column 1
The elevation of the top of the stake prior to
the blast.
——-.°
Column 6
Station numbers are for Operation Greenhouse.
The elevation of the top of stake subsequent
to the blast.
Column 2
Column 7
The stakes are numbered as shown in the
The distance is from the working point to the
center of the stake.
accompanying sketch of the preblast layout for
Stations 33 and 34, All stakes are straight and
lean away from zero except 33a and 33c¢ which
were damaged during the postblast cleanup
operations.
Column 3
Distance is from the working point to Ground
Zero (see sketch),
Column 4
Azimuth is reckoned at the working point,
from North clockwise to Ground Zero.
Taste B.S
;
Preblast
"Distance,
Station
Stake
W.P. from
Ground Zero
(ft)
(1)
(2)
(3)
33a
W.P.
15.00
1
CRATER SURVEY, SITE E
Top of
Stake
(ft)
(4)
(5)
202°17'15”
2
33b
33e¢
4
W.P.
1
2
3
69.00
W.P.
1
2
171,00
W.P.
1
2
7.52
72453
_ 7.51
93°09'459
7.20
7.22
7.19
76°00'00*°
7.65
7.62
3
33d
Elev.,
Azimuth
of W.P. to
Ground Zero
7.64
240.00
76*00'00"
3
8.33
8.34
8.34
35