Phil Parker, featuring Alf Latham.
A1: Commencing work on the obstruction. A2: After half-an-hour of battering.
A3-5: AL on his way to the large passage. B1,2: AL in the large passage.
B3, 4: Formations.
B5: AL inspecting the strongly draughting but too tight terminal point.
C1: AL surveying in the vicinity of the break-through point. C2: Al on the way out.
1
2
3
4
5
A
B
C
