Statistical Tables for Reference Use 



Table 1. — Some very general differences between the two great classes of trees 



Points of comparison Coniferous 



Broadleaf 



Kind of leaves 



Scale or needlelike 



Held year round— evergreen 



In cones. (A few have modified 



cones that appear as berries.) 

 Will grow on poor soils in dry, cold 



regions; high altitudes; and on 



north slopes. 



Broad. 



Drop in autumn— deciduous. 





As fleshy fruits, berries, nuts. 



Site conditions to which adapted . 



Require good soils; humid, warm 

 regions; low altitudes; south 

 slopes. 



Hardwood (more dense). 









ESTIMATED RELATIVE ANNUAL VALUE OF FOREST PRODUCTS AT POINT OF UTILIZATION OR DISTRIBUTION » 



Logs for lumber and other sawed products $300,000,000 



Fuel wood 240,000,000 



Fence posts 80,000,000 



Pulpwood 50,000,000 



Veneer logs 20,000,000 



Hewed ties 18,000,000 



Poles 10,000,000 



Piling 4,000,000 



Distillation wood 3,000,000 



Naval stores 40,000,000 



Tanning materials 10,000,000 



Nuts 10,000,000 



Maple sirup and sugar 5,000,000 



Christmas trees and greenery 2,000,000 



Pharmaceuticals and oils 1,500,000 



Total values 793,500,000 



1 Figures from U. S. Department of Agriculture, Products of American Forests, Unnumbered Pub., 1939. 



Table 2. — Lumber production, exports, imports, and consumption, 1910-37 



Year 



Production 



Exports 



Imports 



Per capita 



Softwood 



Hardwood 



Total 



(rounded) 



1910 



Thousand 

 feet, board 

 measure 

 34, 029, 000 

 33, 020, 000 

 34, 695, 000 

 34, 065, 000 

 31, 481, 000 

 29, 655, 000 

 31, 344, 000 

 28, 325, 000 

 25. 277, 000 

 27, 407, 130 

 27, 610, 000 

 23, 444, 000 

 28, 922, 000 

 33, 220, 000 

 31, 549, 000 



Thousand 

 feet, board 



measure 



10, 471, 000 

 9, 980, 000 



10, 305, 000 

 9, 935, 000 

 9, 019, 000 

 8, 345, 000 

 8, 656, 000 

 7, 675, 000 



6, 723, 000 

 7, 144, 946 



7, 390, 000 



5, 556, 000 



6, 328, 000 

 7,780,000 

 7,951,000 



Thousand 



feet, board 



measure 



44, 500, 000 

 43, 000, 000 



45, 000, 000 

 44, 000, 000 

 40, 500, 000 



38, 000, 000 

 40, 000, 000 

 36, 000, 000 

 32, 000, 000 



34, 552, 076 



35, 000, 000 

 29, 000, 000 

 35, 250, 000 

 41, 000, 000 



39, 500, 000 



Thousand 

 feet, board 

 measure 

 2, 652, 197 

 3, 009, 434 

 3, 038, 173 

 3, 293, 037 

 2, 294, 475 

 1, 526, 618 

 1, 571, 545 

 1, 346, 519 

 1, 233, 706 

 1, 677, 843 

 1,916,166 

 1,511,396 



1, 839, 455 



2, 522, 811 

 2, 773, 760 



Thousand 

 feet, board 

 measure 

 1, 117, 504 



925, 488 

 1, 084, 720 

 1,031,016 



949, 136 

 1, 096, 287 

 1, 265, 561 

 1, 284, 447 

 1, 246, 712 

 1, 190, 845 

 1, 416, 175 



902, 216 

 1, 566, 379 

 1,994,593 

 1, 767, 426 



Feet, board 

 measure 



466 



1911 



437 



1912 . 



453 



1913 



432 



1914. . 



400 



1915 



378 



1916. 



394 



1917 



351 



1918 



309 



1919 



324 



1920 _. 



324 



1921 



262 



1922 . 



320 



1923 



362 



1924 



328 



41 



