INDEX 533 
Basswood, 19. 
buoyancy of, 412, 413. 
lumber cut, 1920, 19. 
Bateaux, 413. 
Bear-trap sluice gate, 394, 394*. 
Beech, 7, 18. 
buoyancy of, 412, 413. 
lumber cut, 1920, 18. 
resistance of wood in cross-cut sawing, 86. 
saw timber, stand, by regions, 7. 
United States, 7. 
Bibliography, 455. 
Birch, 7, 18. 
buoyancy of, 412, 413. 
paper, 19. 
per cent of logs lost on drives, 384. 
preparation for floating, 412. 
resistance of wood in cross-cut sawing, 86. 
stand, by regions, 7. 
per acre, 19. 
United States, 7. 
Blacksmith tools, 64. 
Blade, saw, 84, 85. 
Blasting, rock, drilling, 304. 
explosives for, 306, 310. 
loading holes, 308. 
primers and priming for, 308. 
safet.y fuse and caps, 308. 
tamping, 310. 
stumps, 311. 
Boards, spring, 92, 92*. 
Bob, 161. 
Bole, utilization of, 109, 113. 
Bolts, shingle, 22. 
stave, 22. 
Bonus, Brown's Bay System, 43, 44. 
felling and log-making, 47. 
task system, 48. 
waste elimination, 47. 
Boom, bag or sack, 420. 
barge, 400, 402. 
bracket, 400, 401. 
catch, 416. 
chain, 400, 400*. 
companies, 408. 
Canada, 408. 
liability of, 409. 
fin, 400, 401*. 
harbor, 426. 
limber, 400. 
plug, 400. 
round, 426. 
sheep-shank, 400. 
sheer, 400. 
sticks, 403. 
stiff, 400. 
storage, 403. 
towing, 400. 
trap, 416. 
Box, flume and log sluice, 433. 
