INDEX 585 



Storms, influence on transport of timber, by water, 368. 

 loss of logs by, when floated and rafted, 345. 

 loss of timber by wind, 37. 

 Straps for steel rails, 28S, 289, illustration, 288. 

 Stream bed and banks, abutments for, 360. 



artificial channels, 360. 

 booms, 360, 37Q. 

 improvement of, 359. 

 pier dams, 359. 

 Streams, drivable, requirements for a, 347. 

 driving logs, on large, 379. 

 on small, 375. 

 floatable, 347. 

 jams, log, on, 377, 379. 

 navigable, 347. 

 Stringer railroad, 245. 



cars for, 247. 

 character, 246. 

 construction of, 247. 

 grades on, 246. 

 maintenance of, 247. 

 rails for, 246. 

 West Virginia, 435. 

 Stump or butt rot, 124. 

 Stumps, blasting, 276. 

 height of, 94. 

 removal of, 258. 

 waste in cutting high, 94. 

 Stumpage values, 6, 8- 23, 442, 539-541- 

 Sudworth, Geo. B., on conservative turpentining, 458, 477. 

 Summary of logging methods, 415. 

 Sunken logs,_ 344, 392. 

 Surfacing railroads, 294. 

 Surry Parker log loader, 328. 

 Surveyor-general, Minnesota, 370, 372. 

 Susquehanna River, loss of logs by floods on, 345. 

 Swamping, 72, 98, 180, 184, 190, 211, 214, 215, 419, 422, 429, 435. 

 Sweep, logs, 125. 

 Switch, railroad, 290, illustration, 289. 



slide, 233. 

 Sycamore, 23. 



floating ability of, 374. 



Tail tree, cableway skidder, 196 - 198, illustration, 198. 



pullboat, 210. 

 Tamping, explosives in a drill hole, 274. 



material for, 275. 

 Tanbark, bibliography, 476. 



harvesting, 435, 459. 



season in which timber is peeled, 88, 435, 459, 463, 464. 



species from which secured, 88, 459. 



supply, source of, 459. 



thickness of bark, 462, 463. 



transportation of, 461, 465. 



weight of hemlock, 463. 



yield, chestnut oak, 464. 

 hemlock, 462. 

 tanbark oak, 465. 

 Taxodium distichum, 11. 

 Team boss, duties of, 191. 



