| A |
upper most entrance to the shaft 18m above the main chamber floor |
| 1 |
height at which CG-1 was found in 1991 |
| 2,3 |
heights at which argonite crystals were taken and dated by U-Th |
 |
sediment removed by excavations |
U | upper cutting |
| L | lower cutting |
 |
iron security grille, on which is base mark x, from which are measured points y and z on scaffolding tower |
 |
thin rim of former calcrete flow over uppermost entrance |
 |
cemented features |
 |
breccia |
 |
lenses of burnt soil |
 |
stalactite |
 |
unexcavated |
 |
scaffolding tower in front of breccia and low burnt soil lenses |