Document O1vrJ1NMm32xNwQ3kzexz6EeL
CO
p
O
co X
O
H W
H
CO s
W
PQ 0
CO
<!
X
I--1
0
PLAINTIFF'S EXHIBIT
JMMC-307
t-
\ik ill
H 5 1 .|-
5 ~ z _=
o ot M
== 15 .
"s =_
T--tTf' Cl
:2f
*
2
: = k .
7.
if. x. _ --' z. r
i - ~r -E
^ ^ .2 =
~?~ ---l^_
C, J; Z =
;
1 l
I. J-s -- 2 5* -- *-* 1 >> z: cc--: fee
~ A -a
-E == = i,
r i- C
v i
<J ?
c, . --
_
v: --
W
cE
X
>-r ^
C.
o c
c
*Muo cc iO- O>
o-
-- j__
C.
be ^ 'Z. -- ~ -- " 3 ~ >-. _ if} C
1
liy this mi'tlmd the
ions of nu irre g u la r ore-
whore apexing w alls and steep slopes render fu rth e r
r t
sc - 'EL 7 E
*i li
tl
t
:z ,-
-- .2 .-C
X
`5
x
SC
"*
sc Si
z, c
rS sr - z
y- 5
._ ^
'-- X ~
i
- _ --, K- =
tm =
5: z. y 5 -
ST 2
=d
~ = --Z !l . -_ C: ~z
s^
P
_L -
J=
--
:3 * gj
-~
' r
--u
=c-- c~s; '~ I 7-
-H s
S5
r it
ss *; -- r t1
~ -
s
.11
= " r-
i> -- .-- --
r:
.z z ~z
c
7
E-
I
x .z
--- C, c zz
's
IS -- s* iotz
=1 -- l Hil HI 1
~ 1" ~ --Lf ^S j--? <c K "-
z ~ ~ = i' c z
= -- -- ^ ~ '='-= --
To dole p ra c tic a lly all operating mines have been
B y n a tu ra l caving (he ro o f fa lls hy successive spaw lm g or
cr
--s
cS fee "-- v--: =
I
v: r:
X
5: :;
C
-
.=
s ?l
,
:i
:? z. 'A z. . -- -^
5
/* :< ?\ _ v: *7 C *T
2* =
.; -
-z -
he;
^
o feCT =
r 7 . -
r --
Ii
7
< -tT
2
*7
.-- r
as
H
C = r(, ~ " Z
A= - r 7; = ^ 7. = r
*4 = - w
*7
-
r: ~
|xl ?- gt
-c ~> <~= --=
lv l'iiiv in r In llic ir operations.
i; - _ ^
7
'A
-s
v.
l_ --
^ 5 -J 7 ^
5 r 7.
-- -is - =
-= /
7. .
/.
:i
z_ --
s. -- Z, - ^ = '7
-t Z--(. r "7
rr "-'
*: Z>
Zl*
r
isf; `_~Z r