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Knots in Second-growth Pine and the Desirability of Pruning
The pruning of young trees in sparsely and unevenly stocked stands will greatly improve the resulting lumber grades. In northern white and red pines, even in fully stocked stands, artificial pruning is essential for the production of any of the best grades of lumber in a reasonable time.
Bibliography on Land Utilization, 1918-36
This bibliography has been compiled as a companion volume to the Bibliography on Land Settlement issued in 1934 by the United States Department of Agriculture as Miscellaneous Publication 172. It contains selected references to the literature on the economic aspects of land utilization and land policy in the United States and in foreign countries, published for the most part during the period 1918-36.
The Forest Worker
None
Converting Factors and Tables of Equivalents Used in Forestry
The purpose of this handbook is to provide members of the Forest Service with conversion factors and forest measurements that are more or less frequently encountered in forest literature. These are expressed in tabular form where it appears most advantageous to do so; in the other cases a series of alignment charts have been prepared, which permit the direct determination of values in multiple form. There are included also certain other tables giving data more or less commonly used in forest calculations.
