590 INDEX 



Wood Worker, 478. 



Woolsey, Jr., Theodore S., on National Forest timber sale contract, 471. 



on scaling government timber, 126, 475. 



on the western yellow pine in Arizona and New Mexico, 

 26, 470. 

 Workmen's compensation acts, 51. 

 Works, rafting, 367, 368. 

 Worm holes in logs, 96. 

 Wyoming, a flume in, 409. 



Yarding engine, cost of, 214. 

 crew for, 215. 

 daily output, 217. 

 duplex, 217. 



loading log cars with a, 329. 

 logging in the Northwest with, 213, 432. 

 method of operation, 214. 

 size of, 213, 217. 

 Yarding logs, Alaska, 436, 437. 

 Colorado, 423. 

 Northeast, 161, 425. 

 Northwest, 213, 432-434, 437. 

 Yarding sled, 157. 



capacity, 158. 

 construction, 157. 

 cost of hauling logs on a, 158. 

 fastening logs on a, 158, illustration, 158. 

 roads for a, 161, illustrations, 162, 163. 

 Yellow pine, blasting stumps of, 276. 



contract prices for skidding and hauling, 192. 

 Yield, tanbark, chestnut oak, 464. 

 hemlock, 462. 

 tanbark oak, 465. 



Ziegler, E. A., on standardizing log measures, 113, 126, 475. 

 Zon, Raphael., on chestnut in southern Maryland, 88. 



on factors influencing the volume of wood in a cord, 115, 126, 475. 



on foreign sources of timber supply, 476. 



on management of second-growth in the southern Appalachians, 

 471. 



