WOOD 



53 



The cutting of the trees is usually done in winter, 

 the floating of the logs, or river driving as it is called, 

 beginning with the breaking up of the ice in the spring. 

 River driving is a very interesting and dangerous busi- 

 Logs will often get caught side wise and the whole 



ness. 



river from shore to shore become jammed so tightly 



FIG. 65. A Skid way of Adirondack Spruce 



that hundreds of thousands of logs are stopped in their 

 course, forming an immense dam which the lumbermen 

 call a log jam. 



To break up this jam very often requires much labor 

 and grent daring on the part of the drivers, who wear 



