centerline
pit
auto
wall
bedrock
blocks
rock-border
label
Les dessous Chocs
contour
invisible
water-flow
off
permanent
La galerie des Glaces
presumed
gradient
les Rapides
Petit Chaos
arrow
chimney
méandre du GL4
pit-chimney
unsurveyed
rock-edge
walkway
floor-meander
overlying
slope