Subject
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Land use
3
Norway spruce
3
Provenance trials
3
Red pine
3
SURVEYS
3
Stratigraphy
3
Antiquities
2
Appalachian orogeny
2
Atlas
2
Biomass energy
2
Black spruce
2
Climatic factors
2
Coal mining
2
Coasts
2
Description and travel
2
Economic conditions
2
Economic development
2
Effect of logging on
2
Environmental impacts
2
Fisheries
2
Forest conservation
2
Forest regeneration
2
Forest surveys
2
Geologists
2
Gesner, Abraham, 1797-1864
2
Historical geology
2
Humus
2
Integrated Resource management
2
Inventors
2
Lumber trade
2
Marine sediments
2
Maritime Provinces
2
Markets
2
Mining
National parks and reserves
2
Natural areas
2
Natural history
2
Natural resources
2
Old growth forests
2
Outdoor recreation
2
Paleozoic
2
Pests
2
Reforestation
2
Sediments (Geology)
2
Shorelines
2
Soils
2
Spruce budworm
2
Transportation
2
Tree farms
2
White pine
2
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