12 



(harness, chokers, grabs, tongs, go-devils, drays, 

 yarding sleds, self-loading skidders, two wheeled 

 carts, etc.). Cost and make of each kind of 

 equipment. 



c. Crews : organization number of men and 

 animals in each tools and equipment required 

 per crew number of crews required to put in a 

 given amount of timber per day. 



d. Skidding trails and roads : location method of 

 construction maintenance. Average cost of 

 trails and roads, per rod. 



e. Skidways : rules for location method of con- 

 struction kind and size of timber used crew 

 required for construction cost. 



f. Describe fully the method of skidding logs. 

 When logging is done by contract, state terms. 

 On what is contract price based? 



g. Amount of timber handled in a given time, 

 with a given form of equipment, for 100 200 

 500 and 750 feet and for 1-4, 1-2, and 3-4 of 

 a mile. Cost per 1000 feet log scale. (State 

 average length and contents of logs, character 

 and topography, condition of bottom, climatic 

 conditions, kind and condition of animals, wages, 

 and team hire. Instructor will provide a special 

 form for recording field data.) 



h. Relation of animal skidding to forest manage- 

 ment. 

 2. With power (other than tractors). 



a. Special preparation of logs for skidding with 

 power (including deadening, swamping, noseing, 

 or other processes). 



b. System of power skidding used (cableway, slack 

 rope, or snaking) and advantages for the specific 

 operation cost of one unit. 



c. Describe fully the power skidding and loading 

 equipment, and the accessories such as water 

 tanks, repair outfit, and blocks spark arresters 



