504 APPENDIX 



Snub, V. To check, usually by means of a snub Hne, the speed of logging 



sleds or logs on steep slopes, or of a log raft. (Gen.) 

 Softwood, a. As applied to trees and logs, needle-leafed, coniferous. (Gen.) 

 Softwood, ;/. A needle-leafed, or coniferous, tree. (Gen.) 

 Solid jam. i. In river driving, a jam formed solidly and extending from 



bank to bank of a stream. (N. F.) 



2. A drive is said to be " in a solid jam " when the stream is full of logs 



from the point to which the rear is cleared to the mill, sorting jack or 



storage boom. (N. F.) 

 Sorting boom. A strong boom used to guide logs into the sorting jack, to 



both sides of which it is usually attached. (Gen.) 

 Sorting gap. See Sorting jack. 

 Sorting jack. A raft, secured in a stream, through an opening in which logs 



pass to be sorted by their marks and diverted into pocket booms or the 



downstream channel. (Gen.) 

 Syn.: sorting gap. 

 Spanish windlass. A device for moving heavy objects in logging. It 



consists of a rope or chain, within a turn of which a lever is inserted and 



power gained by twisting. (N. F.) 

 Syn.: twister. 

 Spiked skid. A skid in which spikes are inserted in order to keep logs from 



sliding back when being loaded or piled. (Gen.) 

 Splash, V. To drive logs by releasing a head of water confined by a splash 



dam. (Gen.) 



Syn.: flood, sluice. 

 Splash boards. Boards placed temporarily on top of a rolling dam to 



heighten the dam, and thus to increase the head of water available for 



river driving. (X. F.) 

 Splash dam. A dam built to store a head of water for driving logs. 



(Gen.) 

 Syn.: flood dam. (Gen.) 

 Split roof. A roof of a logging camp or barn made by laying strips spht 



from straight-grained timber. The strips run from the ridge pole to the 



eaves, and break the joints with other strips, as in a shingle roof. (N. F.) 

 Spool donkey. A donkey engine for winding cable, equipped with a spool 



or capstan, instead of a drum. (P. C. F.) 

 Spool tender. One who guides the cable on a spool donkey. (P. C. F.) 

 Spot, V. See Blaze. 

 Spring board. A short board, shod at one end with an iron calk, which is 



inserted in a notch cut in a tree, on which the fafler stands whfle feUing the 



tree. (P. C. F., S. F.) 

 Spring pole. i. A springy pole attached to the tongue of a logging sled 



and passing over the roll and under the beam, for holding the weight of 



the tongue off the horses' necks. (N. F.) 



