ARID AGRICULTURE. 109 



tute. There are two types of sage brush grub- 

 bers on the market. One of these has a horizon- 

 tal blade so fitted on the frame that it can be held 

 some two or three inches below the surface of the 

 ground, thus cutting off the sage brush at its 

 weakest point. A common road grader does 

 good work where the brush is small, by merely 

 scraping it off the surface. The other type of 

 iiTiihber has teeth which catches the brush as the 

 machine is drawn along and pulls it out. This 

 is a modification of the old revolving rake and 

 ihc brush is dumped by tipping the machine 

 over. This leaves strips of unpulled brush so 

 the work must be done both ways. 



For moderate-sized brush an expensive im- 

 plement is not necessary, as a good grubber can 

 he made of a discarded railroad iron. A straight 

 rail may be used, but it is better to bend the rail 

 in the center, so when horses are hitched to each 

 end it will drag right side up, the front flange 

 catching, breaking off, or pulling out the sage 

 brush. From two to six horses on each end of 

 the rail will be found necessary. It is usually 

 best to make a platform back of the rail and 

 weight it to keep the rail from riding over the 

 brush or prevent a straight one from rolling. 

 The flat bottom of the rail must be kept down to 

 do the work. Where the brush is not too heavy 

 a large area can be covered in a day, by the use 

 of this device. For heavy sage brush, where the 

 rail cannot he used, the only recourse is to use 



