B B B B e9 B B 



i B B B B B B 



tL * to' MUHMf. 



tL O-OO M.LL. If 



■ J---^i=#- 



j ' T-Op HORIZ 



LiUU^— 



emrJTtK. ^OJT 



Figure 57. Structural features— elevation A. 



103 



