Figure 6 key. Sima de las Palomas: vertical elevation.

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 Uupper cutting
Llower 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
 lenses of burnt soil
 scaffolding tower in front of breccia and low burnt soil lenses