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Lake and Swamp (History)
Lakes and swamps as part of the ecological structure. Map B.8.2. from the regional plan. -
Forest and nature reserve, nutrient poor (history)
Nutrient-poor forest and nature areas as part of the ecological structure. Map B.8.2. from the regional plan. -
Deciduous forest, nutrient-rich or moist (historical)
This map shows the nutrient-rich or moist deciduous forests as part of the ecological structure. Map B.8.2. from the Regional Plan Drenthe, June 27, 1990.