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Subclass SD
SD1-669.5 | Forestry | |
SD11-115 | Documents | |
SD119 | Voyages, etc. | |
SD131-247.5 | History of forestry. Forest conditions | |
SD250-363.3 | Forestry education | |
SD388 | Forestry machinery and engineering | |
SD388.5 | Tools and implements | |
SD389 | Forest roads | |
SD390-390.43 | Forest soils | |
SD390.5-390.7 | Forest meteorology. Forest microclimatology | |
SD391-410.9 | Sylviculture | |
SD411-428 | Conservation and protection Including forest influences, damage by elements, fires, forest reserves | |
SD430-(559) | Exploitation and utilization Including timber trees, fuelwood, logging, transportation, valuation | |
SD561-669.5 | Administration. Policy |