![](http://www.alamy.com/thumbs/6/B7C99F91-C3FF-4FDA-95B2-90910D74A152/MCKTFB.jpg)
. Fig. 1.—Geographic distribution of Pinus ponderosa. the various regions who plan to enter the field of wood-distillation from a commercial standpoint. Such a survey, however, should al- ways be made before undertaking distillation in any section.
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Keywords: ., bookcentury1900, bookdecade1920, bookpublisherwashi, bookyear1921