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This category has the following 4 subcategories, out of 4 total.
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259:Protected areas established in 1856
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49:human impact on the environment
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32:These articles relate to the
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283:Species described in 1856
313:1850s in the environment
239:1856 natural disasters
65:environmental issues
308:Environment by year
57:nature conservation
35:natural environment
26:Environment portal
53:environmental law
47:They include the
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302:Categories
287:(4 C, 1 P)
243:(2 C, 4 P)
40:the year
263:(2 P)
219:(3 P)
188:1900s
183:1890s
178:1880s
173:1870s
168:1860s
162:1850s
156:1840s
151:1830s
146:1820s
141:1810s
136:1800s
318:1856
125:1861
120:1860
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63:and
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252:P
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