1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952

1890s
1900s
1910s
1920s
1930s
1940s
1950s
1960s
1970s
1980s
1990s

Categories

Categories:

1947 establishments
1947 in the environment
Protected areas established in the 1940s
Protected areas by year of establishment