. Canadian forest industries January-June 1919. Lumbering; Forests and forestry; Forest products; Wood-pulp industry; Wood-using industries. May 1, 1919 CANADA LUMBERMAN AND WOODWORKER 165 How Canada's Timber Limits are Cruised The Forest Engineer Has Brought Technical Training to Bear on Problem and Expanded ''Timber Cruise" into ''Forest Survey'' By P. L. Lyford, Clark fi? Lyford, Forest Engineers, Vancouver, B. C. Most lumbermen, or persons interested in timber, under- stand that a "timber cruiser" is one who estimates the quan- tity and quality of logs or lumber contained in
. Canadian forest industries January-June 1919. Lumbering; Forests and forestry; Forest products; Wood-pulp industry; Wood-using industries. May 1, 1919 CANADA LUMBERMAN AND WOODWORKER 165 How Canada's Timber Limits are Cruised The Forest Engineer Has Brought Technical Training to Bear on Problem and Expanded ''Timber Cruise" into ''Forest Survey'' By P. L. Lyford, Clark fi? Lyford, Forest Engineers, Vancouver, B. C. Most lumbermen, or persons interested in timber, under- stand that a "timber cruiser" is one who estimates the quan- tity and quality of logs or lumber contained in standing trees. He is also expected to advise as to topography, logging con- ditions, and anything else his employer may require to know, which has a bearing on the ability of the tract under consid- eration to produce logs profitably. No doubt the earliest logger was somewhat of a timber cruiser, but he would not have known himself by that name. It was at a much later day, when the timber "looker" went out on long trips with a map for a chart and a compass as the most indispensable part of his equipment for roaming the trackless forest that someone likened him to a mariner who,. P. L. Lyford, Vancouver, B. C. III_|IDM>III«>II^ similarly, finds his way on the pathless sea, that the term "cruiser" was applied to him. It was an apt comparison, and the term "stuck". The quantity of standing timber is usually expressed in board feet, according to the log rule used in the locality con- cerned. There are some exceptions to this, notably the pulp- wood regions of the Eastern United States and Canada, where the cord is largely used as a unit of measurement. The cord is also used on the Pacific Coast for ineasuring cedar bolts for shingles. Theoretically the log rule gives the number of board feet that the logs will produce in the form of sawn lumber. In practice, this is rarely the case, because of imperfections in log rules, errors in allowance fo
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