Forest Fires 61 



in the smoking cars, warning people not to throw 

 cigar or cigarette butts from windows or rear 

 platforms of trains. 



Very many forest fires have been started by 

 campers. Today nearly every tent made in 

 Canada has a fire-warning notice sewn into it. 

 When its occupant wakes in the morning this 

 reminder stares him in the face. 



When he lights his camp fire to prepare his 

 breakfast he gets another reminder. The match 

 companies of Canada, at the request of the 

 Dominion Government, have put a fire warning 

 on the outside of each box: "Do not throw 

 away burning matches — especially in the woods." 



Acting on another request of their Govern- 

 ment two of the largest ammunition companies' of 

 Canada enclose a fire warning in every box of 

 shells, and it is so worded as to convince the 

 hunter that he has a real personal interest in 

 helping to protect the forest. 



On both sides of the international boundary, in 

 places where fires are likely to start, or where, 

 once started, they are peculiarly hard to check, 

 " fire lines " are often made. A fire line is a strip 

 of land in which all the trees have been felled, and 

 all the brush (Fig. 19), stumps, and indeed 

 everything that can burn has been cleared away. 

 After the fire line is made, some work must be 

 done on it every year to keep the woods from 

 growing over it again. A line like this may 



