Remembrance Day (Canada)
THE SUSTAINING POWER OF ICE
The sustaining power of ice at various degrees of thickness:
At a thickness of two inches, will support a man.
At a thickness of four inches, will support a man on horseback.
At a thickness of six inches, will support teams with moderate loads.
At a thickness of eight inches, will support heavy loads.
At a thickness of ten inches, will support 1,000 pounds to the square foot.
---Burroughs' Encyclopaedia of Astounding Facts and Useful Information, 1889
Mark Twain (1835-1910)