i8 



cost for labor and materials make sketches 

 drawn to scale of towers, cable supports, trolleys, 

 loading and unloading platforms, and other 

 essential features. 



c. Power : character ^f device used for operation 

 of trolley. 



d. Operation : method crews capacity cost 



e. Maintenance : average life character of and 

 amount of repairs inquired supplies carried on 

 hand cost. 



5. Road engine (Bull Donkey). 



a. Adaptability. 



b. Equipment : types and dimensions of boiler and 

 rated horse power engines : size of cylinders 

 and length of stroke cables ; size, length, 

 quality, life, cost number and size of road 

 spools, sheaves, fair-leaders, and like equipment 

 type of spark arrester used. Cost of equip- 

 ment per unit. 



c. Road : . character, location, construction, main- 

 tenance, cost. 



d. Landings : location, construction, and equip- 

 ment. 



e. Operation : method crews cost. 



6. Railroad. 



a. General: relation of logging road to lumber 

 company if chartered, reasons for same. 



b. Location: factors governing survey; crews, 

 methods, equipment, cost curves and grades per- 

 missible. 



c. Rights-of-way : how secured width cost per 

 acre or other unit. 



aa. Construction. 



(i) Clearing right-of-way :, 

 Methods of felling timber and cutting brush, 

 log lengths of merchantable timber brush 

 disposal, stumps, height on grade and off 

 grade, methods of stump removal by grub- 



