| OCR Text |
Show 38. Significant savings should utilization of by-products, such by-products, aCids, sawdust, izations have yet as made be derived in the full as turpentine, charcoal and wood These util pulp. little progress in the United States, but the United States Forestry Service every effort to The fire campers, Forest fires are lightning, clearing is the caused may be considered typical, Total fires, the reduction of by locomotives, and brush diaries, hunters and unascertainable follows: making improve conditions in these directions. biggest problem, perhaps, losses, is burning, If 190 causes. proportion incen is about as 2503; by locomotives 641; by campers 638; by lightning 458; by brush burning 49; cendiary 43; hunters 22; It and unknown 652. was in es timated that between 1880 and 1896 the average annual loss by fires to merchantable timber dollars. »iscouraging consist of the evils killing of Besides the actual concrete resulting from of the encouragement of poorer trees, in the losses result green and immature timber. fire losses, the fifty million was for the more costly the forest fires planting and and culture combustible and varieties of course incur most risk to the owners, the deterioration of the soil. flow and their absenoe causes Forests unequal stream flow and floods. Then, too, the upbuilding of towns and depends upon the extent and regulate persistence general progress of resources. |