aoait/noo
IS3M JISV3 tteddO
Ol A/A40C7
O
Q:
5
t
%
J.V7J
s1
IBdVdVd
n n
i___i
^
8!
5
•~4
<
0
Mil
J.3dVtffd
I
-$
Fig. 337.
Plan of Uppermost System of Grand Staircase, showing Stepped Ascent
to Roof-flat : Christian C. T. Doll.
IS3M JISV3 tteddO
Ol A/A40C7
O
Q:
5
t
%
J.V7J
s1
IBdVdVd
n n
i___i
^
8!
5
•~4
<
0
Mil
J.3dVtffd
I
-$
Fig. 337.
Plan of Uppermost System of Grand Staircase, showing Stepped Ascent
to Roof-flat : Christian C. T. Doll.