Category:Protected areas disestablished in the 1950sFrom Wikipedia, the free encyclopedia 1900s1910s1920s1930s1940s1950s1960s1970s1980s1990s2000s 15th16th17th18th19th20th21st22nd23rd24th25th See also: Category:Protected areas established in the 1950s
1900s1910s1920s1930s1940s1950s1960s1970s1980s1990s2000s 15th16th17th18th19th20th21st22nd23rd24th25th See also: Category:Protected areas established in the 1950s