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1975
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Natural areas -- Atlantic States -- Guidebooks. / https://id.loc.gov/authorities/subjects/sh85090196 https://id.loc.gov/authorities/subjects/sh85009208-781 https://id.loc.gov/authorities/subjects/sh99001297 : Lawrence, Susannah.
Natural areas -- China -- West Lake. / https://id.loc.gov/authorities/subjects/sh88003598 https://id.loc.gov/authorities/subjects/sh85146211-781 : Duan, Xiaolin,
Natural areas -- Government policy -- United States. / https://id.loc.gov/authorities/subjects/sh85090196 https://id.loc.gov/authorities/subjects/sh99005269 https://id.loc.gov/authorities/names/n78095330-781 : Tassel, Sandra.
2009
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Natural areas -- History. / https://id.loc.gov/authorities/subjects/sh85090196 https://id.loc.gov/authorities/subjects/sh99005024 : Peterson del Mar, David,
Natural areas -- Illinois -- Guidebooks. / https://id.loc.gov/authorities/subjects/sh97003130 https://id.loc.gov/authorities/subjects/sh99001297 : Jeffords, Michael R.
2014
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Natural areas -- Illinois -- History. / https://id.loc.gov/authorities/subjects/sh97003130 https://id.loc.gov/authorities/subjects/sh99005024 : Pearson, Arthur Melville.
Natural areas -- New Jersey -- Guidebooks. / https://id.loc.gov/authorities/subjects/sh2002005367 https://id.loc.gov/authorities/subjects/sh99001297 : Brown, Michael P.,
Natural areas -- Northwestern States -- History. / https://id.loc.gov/authorities/subjects/sh85090196 https://id.loc.gov/authorities/subjects/sh85092620-781 https://id.loc.gov/authorities/subjects/sh99005024 : Douglas, William O.
Natural areas -- Southern States. / https://id.loc.gov/authorities/subjects/sh85090196 https://id.loc.gov/authorities/subjects/sh85125633-781 : Waggoner, Gary S.
1975
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44
Natural areas -- Soviet Union. / https://id.loc.gov/authorities/subjects/sh85090196 https://id.loc.gov/authorities/names/n80126312-781 : Pryde, Philip R.
Natural areas -- Texas -- Guidebooks. / https://id.loc.gov/authorities/subjects/sh85090207 https://id.loc.gov/authorities/subjects/sh99001297 : Parker, Mary O.,
2016
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Natural areas -- Texas -- Texas Hill Country -- Guidebooks. / https://id.loc.gov/authorities/subjects/sh85090207 https://id.loc.gov/authorities/subjects/sh85134286-781 https://id.loc.gov/authorities/subjects/sh99001297 : Caran, S. Christopher,
2016
1
48
Natural areas -- Texas -- Travis County -- Guidebooks. / https://id.loc.gov/authorities/subjects/sh85090207 https://id.loc.gov/authorities/names/n81083837-781 https://id.loc.gov/authorities/subjects/sh99001297 : Caran, S. Christopher,
Natural areas -- United States -- History. / https://id.loc.gov/authorities/subjects/sh85090196 https://id.loc.gov/authorities/names/n78095330-781 https://id.loc.gov/authorities/subjects/sh99005024 : Pearson, Arthur Melville.