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Subject
- Black spruce21
- History16
- Forests and forestry12
- Black people11
- Environmental aspects11
- Forest management10
- Black bass9
- Eastern black walnut9
- Management9
- Bass fishing6
- Social life and customs6
- Diseases and pests5
- African influences4
- Africans4
- Black bear4
- Cattle herders4
- Cattle herding4
- Civilization4
- Environmental impact analysis4
- Fisheries4