Economics of Forestry: A Reference Book for Students of Political Economy and Professional and Lay Students of ForestryT. Y. Crowell & Company, 1902 - 520 страници |
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acres Agriculture amount annual Atlantic forest average Battlement Mesa Bavaria census cent climate coniferous conifers consumption crop cubic feet deciduous economic estimate estry exploitation export farm feet B.M. figures forest administration forest area forest conditions forest cover forest fires forest growth forest management forest policy forest products forest property forest reservations forest resource Forestry Association furnish German forest ground hardwoods harvest Hemlock hence important increase industry interest labor Lake Temagami land least less lumber manufactures material ment methods mill million acres million feet natural nearly Pacific coast planting practice present private forest protection forests Prussia Red Fir reforestation Report reproduction result revenue Saxony secure silviculture soil Southern species Spruce square miles stand statistics stumpage Sugar Pine temperature timber tion trees United valuable waste White Pine wood famine wood pulp wood supplies woodlands yield yield management