188 
LOGGING 
slipped to the rear. The roller is so weighted that it revolves in 
a quarter circle, carrying the lever arm to a nearly vertical posi- 
tion. The grapples are then fastened to the logs, and the team 
is started. The tongue slips forward, pulling the lever arm to a 
horizontal position, and raises the front end of the log from the 
ground. When the short lever arm reaches the catch on the 
Fig. 54. — A Two-wheeled Slip-Tongue Log Cart hauling Long Logs. Note 
the rotating bunk above the cart a.xle, to which the grab chains are attached. 
Texas. 
tongue it is automatically locked. The team then starts for the 
skidway with the load. 
High wheels are especially adapted to a flat and rolling country 
with a firm, smooth bottom and an absence of heavy underbrush. 
They are most frequentlj^ used on hauls not exceeding ^ mile 
but occasionally they are used for distances of 2 or 2^ miles. 
In the pine forests of the extreme South they may be used for 
distances which do not exceed 100 feet. When used as a skidding 
rig in the southern pine forests the only road construction required 
is swamping out a trail through the slash along which the teams 
