• 2-inch thick ice will usually support a man
  
• 4-inch thick ice will usually support a horse
  
• 5-inch thick ice is generally safe for
  a team of horses and a loaded
  wagon of 2 tons
  
• 18-inch thick ice will support a
  railway train

The Remick Museum

Shaker Hancock Museum

Boxborough Historical Society

Mr. Round’s Class

The Original ICEMAN