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.
A famous example of this type of rink is the Rideau Canal Skateway in Ottawa, Canada, estimated at 1,782,000 square feet (165,600 m 2) and 7.8 kilometres (4.8 mi) long, which is equivalent to 90 Olympic size skating rinks.The rink is prepared by lowering the canal's water level and letting the canal water freeze.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).