333 Economics of land and energy
333.7 Land, recreational and wilderness areas, energy
333.701 Natural resources--philosophy 333.707 Environmental studies 333.7082 Women--environment 333.709 Environmental geography 333.71 General topics of land, recreational and wilderness areas, energy 333.72 Conservation and protection 333.73 Land 333.74 Grasslands 333.75 Forest lands 333.76 Rural lands 333.77 Urban lands 333.78 Recreational and wilderness areas 333.79 Energy
Dewey Decimal Classification
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