456 JOURNAL OF FORESTRY 



.355 Lightning. 



,356 Sun-scald. 



.357 Floods. 



.358 Erosion (including shifting sand). 



.359 Avalanches. 



.36 Mechanical injuries. 



.361 Logging. 



.362 Guy wires, climbers, etc. 



.363 Electricity. 



.37 Chemical injuries. 



.371 Gases and smelter fumes. 



.372 Smoke. 



.38 Trespass. 



.4 Forest utilization and liunbering. (For utilization by species see .1477.) 



.41 Logging. Logging engineering. 



.411 Felling, limbing, and bucking. Log making. (For brush disposal 



see .24.) 



.412 Transporting logs to skidway, landing, or mill. 



.4121 Short distance transportation. 



.41211 Power skidding and aerial tramways. 



.41212 Animal snaking, bunching, and skidding. 



.41213 Wheeling. 



.4122 Long distance transportation. 



.41221 Logging railroads. 



.41222 Log driving and rafting. 



.41223 , Trucking. 



.41224 Sled hauling. 



.41225 Timber slides and chutes. 



.41226 Flumes and log sluices. 



.413 Logging equipment and depreciation. 



.414 Logging administration. 



.42 Lumber manufacture. 



.421 Pond to chains. 



.4211 Log ponds. 



.4212 Sawing. 



.4213 Resawing. 



.4214 Edging. 



.4215 Trimming. 



.4216 Conveyor system. 



.4217 Power and transmission. 



.422 Chains to yards. 



.4221 Dry sheds. (See also .521.) 



.4222 Dry kilns. (See also .522.) 



.4223 Piling and stacking. 



.423 Lumber, log, and timber grades and grading rules. Specifications 



for timber products. (See also .712.) 



.424 Remanufacture of lumber. 



.425 Loading on cars. 



