194

FOOTE

0.7
0.6

2
ts

|

i

|

|

eS
Ny

MATRIX AMOUNT

-

o

1500

_ a
Poy ot thI
MC/SQ MILE
ILE—

|

|
|

7

|

|

|

wane ee ee

0.5

I

|

L

i

f

!

t

t
{

{

|
}

i

:

|
I
|

|

1

i

|

1

'

Q.1
DEC JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN JUL
1963

1964

FIELD INTENSITY, MC/SQ MILE

Fig, 13—Praseodymium-l4i effective suitace amounts as a function
of time, 11 by 11 matrix reduction.

300 fF
a

Th ce ences
_

_—

ee tee ee

nae

200

panes ok ope
wm

ee

—

Bho
~

.

we

eee.

ee

1

Pn a
7

a

_

_

_

4
!

Fr

*
[oh La AMOUNTS AS A FUNCTION OF TIME
+—
we
wot
+

100

'

ya
je

—

—

to

tot

:

*y.

_
‘a

_——t

iT

.

namaeeanns

$

oy

L

{

—

Joi

ah

oo
PT

ph
tS
*

_

:

~

ry

:

oe

‘eit dod

+

T
.

tal bob aoa

DEC JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN JUL
1963

1964

Fig. lo—Lanthanum-140 effective surface amounts as a function of
time, li by Il inatrix reduction.

Select target paragraph3