Download Costs of Producing Mine Props (Classic Reprint) - R M Osborn file in ePub Online

Excerpt from Costs of Producing Mine PropsToday the forests of the region are saddled with large prom portions of hardwood stumpage of undesirable species or form, or limby and with considerable butt rot or other defects 'th of this stumpage, though undesirable for other wood products, is still suitable for mine wood, especially props. Such use would reduce the pressure on