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This category has the following 11 subcategories, out of 11 total.
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The following 5 pages are in this category, out of 5 total.
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Pages in category "Protected areas established in the 1970s"
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Category:Protected areas disestablished in the 1970s
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445:Protected areas established in the 20th century
460:Protected areas by decade of establishment
414:Rancho Del Oso Nature and History Center
365:This list may not reflect recent changes
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390:Hoosier Prairie State Nature Preserve
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324:Protected areas established in 1979
307:Protected areas established in 1978
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455:1970s in the environment
378:Casey Jones State Trail
450:1970s establishments
426:Sharon Johnston Park
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402:Jnaneshwar Udyan
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328:(2 C, 142 P)
311:(3 C, 216 P)
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277:(2 C, 157 P)
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226:(2 C, 163 P)
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439:Categories
142:See also:
348:(30 P)
71:2020s
66:2010s
61:2000s
56:1990s
51:1980s
46:1970s
41:1960s
36:1950s
31:1940s
26:1930s
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134:25th
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