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Subjects
Ecology, Adaptation (Biology), Environmental sciences, Euthenics, Geology, Nature and nurture, Pollution, Soil Science & Conservation, Soil conservation, Soil remediation, Terrestrial Pollution, Applied Earth Sciences, Biological sciences & nutrition -> environmental science & ecology -> ecology, Biological sciences & nutrition -> environmental science & ecology -> environmental science, Boden, Environmental conservation & protection, Environmental management, Environmental pollution, Environmental science, General, General interests & hobbies -> nature -> nature, Geography, Hydraulic engineering, Hydrogeology, HydrologyPlaces
RuhrgebietID Numbers
- OLID: OL4042015A
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April 30, 2008 | Created by an anonymous user | initial import |