Category:Protected areas established in 1911
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{{Category see also if exists|Protected areas disestablished in 1911}}
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Category:1911 in the environment
[[Category:Protected areas established in the {{#if:1911|{{#ifexpr: 1911 < 10 |0s|{{#expr:(((1911/10)-0.5) round 0)}}0s}}|Parameter 1=year required!}}|1911]]