174 FIEST BOOK OF FORESTRY 



When dry they are carefully stacked in cord piles, and 

 later on hauled out when convenient. Care is taken to 

 do the work during dry sunny days, since bark molds 

 very easily and is thereby spoiled. 



Being bulky, bark does not pay for long-distance ship- 

 ping, and tanners prefer to move their tannery to the woods 

 and ship the hides, rather than to move the bark over great 

 distances. In times of business depression farmers have 

 been driven to peel bark without being able to use the 

 logs, so that much timber has been wasted in this way. 

 This should be, and usually can be, avoided by the use of 

 portable mills ; for even if the lumber cannot at once be 

 used, oak and hemlock bear storing for a long time. 



RESIN AND TURPENTINE INDUSTRY 



In the large forests of longleaf pine covering the level, 

 sandy coast plain of the South, the production of turpen- 

 tine and resin, the " naval stores " industry, is one of the 

 principal occupations. The process is as follows : 



One or two deep pocketlike notches are cut into each 

 tree to receive the crude resin as it oozes out of the 

 wound. Since the resin hardens in a short time and 

 stops up the wound, this latter must be renewed about 

 once every week all through the " bleeding " season, from 

 spring to fall, as shown in Fig. 65, a, where a man is about 

 to cut a thin strip, or " streak," with his " hacker." Once 



