Related Clues:

• Cylinder of calcium carbonate growing upward in a cave
• Upward-rising cave deposit
• A prison-camp child that is growing up!
• Get atlas out crossing motorway, seeing pillar pointing up
• Upward-growing conical formation in a cave
• Pillar of the underground in prison having served time
• 1-Across sight
• At war camp, little child that grows up
• *“The Great Escape” setting
• Pinnacle of precipitated calcite on the floor of a cave
• A good child on endless trail that's seen in cave
• Way a jailbird with power reportedly raised deposit
• One growing up in a cave?
• Cave formation from dripping water, usually with a rounded tip
• Underground column’s wasted time at POW camp