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 official ice hockey rink dimensions for Olympic or International Ice Hockey is 98.42 feet wide by 200.13 feet long (30 meters by 61 meters), for a total of 19,696.79 square feet or 1,830 square meters.Hockey Rink Diagram.he official ice hockey rink dimensions for Olympic or International Ice Hockey is 98.42 feet wide by 200.13 feet long (30 meters by 61 meters), for a total of 19,696.79 square feet or 1,830 square meters. Hockey Rink Diagram.