existing therion text - proposed therion text

place without equipement – No equipment 
step on the ceiling - ceiling step
paleo material - paleo material, bones
paleo water flow - paleo water flow (scallops)
the height of floor step - floor step height
archeo material - archaeological material
raft - calcite raft
height above and depth below water level - height above, depth below water
passage narrow end - passage end, narrow
passage low end - passage end, low