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.
Historically, earlier ice rinks were smaller than today. Official National Hockey League rinks are 26 m Ã 61 m (85 ft Ã 200 ft). The dimensions originate from the size of the Victoria Skating Rink in Montreal, Canada. Official Olympic/International rinks have dimensions of 30 m Ã 60 m (98.4 ft Ã 197 ft).n bandy, the rink size is 90â110 m (300â360 ft) x 45â65 m (148â213 ft). For internationals, the size must not be smaller than 100 metres (330 ft) x 60 metres (200 ft).