Related Clues:

• Prison camp with arachnid - it rises from the ground
• One growing up in a cave
• Tiny POW? May be observed in a cave
• A prison camp child growing up
• It's rising little by little, from POW camp might you say?
• Column made by dripping water
• Old German prisoners' home might say it's found in a cave
• Effect of dripping in prison on small child
• A mound of calcium carbonate - prison has me eating it
• In POW camp notes something on floor of underground passage
• At last! Gem I misplaced found on floor of cave
• What may form on cave floor
• One growing up as prison child
• Trifling sum prison camp put on deposit
• Cave floor growth