INDEX 559 



Drive, log, season, 368, 379, 380. 



sorting and storage facilities for a, 363. 



storage reservoirs for water, 348. 



streams, large, 379. 



streams, small, 374, 375. 



trap or catch booms used in towing logs, 377. 



union, 369. 



West Virginia, 436. 

 Drivers, log, 374. 

 Drumming, 150. 

 Dudler {see Dudley). 

 Dudley, character of, 301. 



operation of, 221, 302, 303. 

 Dump, log, 334, 432, illustrations, 335, 337. 

 Dunnage or dust railroad, 283, illustration, 283. 

 Dynamite, blasting stumps with, 276. 



"breaking down" landings with, 376. 



caps for firing, 273. 



care of, 272. 



character of, 272. 



electric fuse for firing, 274. 



improvement of stream bed with, 359. 



loosening earth with, 264. 



"springing" holes with, 275. 



strength of, 271. 



Earle, Robert T., on the gypsy locomotive for logging purposes, 321, 474. 

 Earth, classification of, for excavation, 261. 

 cost of moving, 262. 

 "free haul" in grading contracts, 261. 

 hauling in, cars, animal draft, 267. 

 dump carts, 265. 

 dump wagons, 265. 

 drag scrapers, 266. 

 wheeled scrapers, 266. 

 increase in bulk of material disturbed for removal, 262. 

 loosening earth with dynamite, 264. 

 measurement of, 260. 

 movement of, 260, 262. 

 moving with a steam shovel, 268. 

 pick work in, 263. 

 plowing, 263. 



shrinkage in volume in an embankment of, 262. 

 wheelbarrow work, 264. 

 Eckbo, Nels B., on redwood logging, 472. 

 Electric drive, 35. 



Electric fuse for firing dynamite, 274. 



Ellis, L. R., on topographic mapping for logging purposes, 256, 474. 

 Elm, 18. 



floating ability, 374. 

 lumber cut, 1910, 22. 

 stumpage value, 22. 

 uses, 22. 

 Eminent Domain, right of, for a logging railroad, 250. 

 Endless chain saw, 79. 

 Engine, aerial tramway, 223, 228. 



dudley, 221, 301. 

 Engine, duplex logging, 217. 



road, 213, 218, 432, 433. 

 traction, caterpillar gasoline, 195. 



