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Geology and coal resources of North Park, Colorado
Beekly, A. L. - 1915
Persistent link: https://www.econbiz.de/10000546825
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National Park Service statistical abstract
USA / National Park Service - Denver, Colo. - 1985 -
Persistent link: https://www.econbiz.de/10000551598
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Park recreation areas in the United States 1930
1932
Persistent link: https://www.econbiz.de/10000553365
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The costs of congestion. An econometric analysis of wilderness recreation
Cicchetti, Charles Joseph; Smith, Vincent Kerry - 1976
Persistent link: https://www.econbiz.de/10000557994
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Daten zur Natur
Deutschland / Bundesamt für Naturschutz - Bonn : Bundesamt für Naturschutz; teils: Münster : … - 1.1997(1996); [2.]1999 - [3.]2002; 4.2004 -7. …
Persistent link: https://www.econbiz.de/10000622180
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Criteria for designation and evaluation of UNESCO biosphere reserves in Germany
Weidenhammer, Stefan (ed.) - 1996
Persistent link: https://www.econbiz.de/10000593079
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Environmental capacity: a threshold approach : case study on the Tatry National Park in Poland
Kozłowski, Jerzy M. - 1983
Persistent link: https://www.econbiz.de/10000420798
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Will new property right regimes in Central and Eastern Europe serve nature conservation purposes?
Żylicz, Tomasz - 1995
Persistent link: https://www.econbiz.de/10000613657
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Federal recreation fee report to Congress : including federal and state and private sector recreation visitation and fee data
USA / National Park Service - Washington, DC : US Gov.Print.Off. - Nachgewiesen 11.1982(1983) -
Persistent link: https://www.econbiz.de/10000498064
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Marine reserves : relevant policy and management issues with examples from the Great Barrier Reef Marine Park, Australia, and the United States
Tisdell, Clement A.; Broadus, James M. - 1988
Persistent link: https://www.econbiz.de/10000126296