4 men walking in single file along small passage
4 men walking slowly in dry passage, wearing nailed boots
4 men walking in dry passage (constant)
Man in 30ft drainpipe crawling away, in steel toe caps. Faster
Man in 30ft drainpipe crawling away from microphone
2 men on 30ft drainpipe moving fast (some mic bumps in keeping with sound)
Man in 50ft drainpipe approaching microphone
Boulders falling into 70ft cavern (5 takes)
Small boulders falling and rolling (6 takes)
Stones falling down 60ft pot hole (6 takes)
Man descending ladder
Man climbing ladder faster
Man climbing ladder (rubber boots)
Signal sequence, whistles: one blast means stop, two means pull up, three means let down
Single stone falling
Single rock falling
Single stone falling
1 man climbing and slipping
1 man climbing rock face
1 man climbing with start and stop
Woman climbing with start and stop
1 man walking (tired with start and stop)
2 men walking (tired with start and stop)
2 men constant walking up sharp incline of loose stone
1 man constant walking up sharp incline of loose stone
2 men crawling along small passage
1 man crawling along small passage (approach and pass)
Group walking through large chamber
Group walking through small chamber (with stop and start)
Water running in cavern, close perspective
Water dripping in cavern, distant perspective
Water running in cavern, close perspective
Water running in cavern, medium perspective
Man climbing ladder with rubber boots and steel toe caps
Hauling ladder up, medium perspective
Hauling ladder up, close perspective
Ladder thrown down pitch, medium perspective
Ladder thrown down pitch, close perspective
Unrolling wire ladder at top of 60ft pitch
Stream trickling through small cavern, close perspective
Water running into underground lake
20ft waterfall, microphone at bottom
20ft waterfall, microphone at top
40ft waterfall, microphone at top
40ft waterfall (use at low level)
Stream, microphone in cave (use at low level)
Stream entering cave (slight wind noise on microphone)
Small stream running through field
Water gurgling down drain
Water running and stopping in cavern
Water running into large drain
Water surging into cave
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