580 INDEX 



Road engine, 213, 218, 432, 433. 

 Roads, cart, 184. 



dunnage or dust, 283. 

 fore-and-aft pole, 233. 

 pole rail, 242. 

 pullboat, 209, 431. 

 rail, 242. 

 road engine, 219. 

 skid, 149. 

 skipper, 148, 435. 

 sled, bridges for, 166. 

 breaking out, 170. 

 maintenance of, 167, 169. 

 rutter for, 167, 168. 

 snow plow for, 167, 16S. 

 snow sheds for, 166, illustration, 167. 

 sprinkler for, 167, 16S. 

 two-sled, 162, 425. 

 yarding sled, 161. 

 stringer rail, 245. 

 traction engine, 192, 195. 

 wagon, 190. 

 yarding engine, 214. 

 Robertson, J. E., on the log flume, 413, 477. 

 Rock, blasting, 269. 



classification of, 261, 269. 

 excavation of, 269. 



"free haul" in grading contracts, 261. 

 increase in bulk when broken up, 269. 

 measurement of, 260. 

 movement of, 260-262, 269. 

 ratio of slope for fills and cuts, 259. 

 Rod locomotives, 304, 320, 321. 

 Rolling stoc'c for a logging railroad, 319. 

 RoUways for unloading log cars, ^^2, illustration, ^;^2. 

 Rosin, markets, 457. 



production, 441. 

 value, 458. 

 Ross, Kenneth., on logging b\' rail in Montana, 472. 

 Rossing or barking logs, 104, 424. 

 Rot, stump or butt, 124. 



Rothkugel, Max., on the management of spruce and hemlock lands in West Vir- 

 ginia, 472. 

 Rules, log (see log rules). 

 Runs, for cableway skidder, 201. 



for pullboat logging, 209, 431. 

 for slack-rope skidder, 214, 215. 

 Russell, C. W., on the use of compressed air on logging trucks, 321, 474. 

 Rutter for a sled road, 167, 168. 



Sack boom, 382. 



Sackett, H. S., on timber bonds, 44, 476. 

 Saddle-tank locomotive, 304, 312. 



St. John River, New Brunswick, log driving and rafting on, 381, 384, illustra- 

 tion, 364. 

 St. Louis Lumberman, 478. 

 Sales expense for logs, Northwest, 434. 

 Sampson or kilhig, 83. 

 Sap, rotten, 125. 

 stained, 125. 



