66 THE NATIONAL PARK SERVICE 



tion, has charge of all shops and machinery therein, and cus- 

 tody of all shop parts and supplies. General blacksmithing 

 and horseshoeing and the upkeep and repair of automobiles, 

 motorcycles, road machines, and fire-fighting equipment are 

 in charge of this unit. 



Engineering. The Park Engineer has charge of the con- 

 struction, improvement, maintenance, and repair of all roads, 

 bridges, and trails, and of all buildings, fences, formation 

 walks, steps, and platforms except the fences of the buffalo 

 and other ranches. He inspects contract work and the build- 

 ing operations of concessionaires. He gives technical advice 

 to other park departments and makes technical investigations 

 of park shops. He also has the custody and is charged with 

 the upkeep of the park's files of plans, maps, charts and 

 engineering data, and the surveying, drawing, and other en- 

 gineering instruments. 



