The only US nickels that contained any silver were made from late 1942 through 1945. The silver-alloy coins have a large mint mark above Monticello's dome instead of a small mark to the side. The letter P was used for Philadelphia issues for the first time on any coin.
Dimensions. A curling rink should be 150 feet long and have a maximum width of 16 feet, 5 inches. If a facility is too small to hold rink(s) with these dimensions, a rink can be a minimum of 146 feet long and 14 feet, 6 inches wide. The perimeter of the rink can be marked by raised barriers or by lines drawn on the ice.f a facility is too small to hold rink(s) with these dimensions, a rink can be a minimum of 146 feet long and 14 feet, 6 inches wide.
The Dimensions of Ice Rinks. Ice rinks come in different shapes and sizes depending on the purpose. Some rinks are made for speedskating. For short tracks, the normal size is 30 by 60 meters, a measurement that is used in official Olympic Games. For long tracks, the average length is 400 meters.For the winter sport called bandy, teams usually compete in rinks that measure 90 to 110 meters by 45 to 65 meters. For ice hockey, the international-size rink measures 61 by 30 meters, the corner radius of which is 4.2 meters.or ice hockey, the international-size rink measures 61 by 30 meters, the corner radius of which is 4.2 meters.