42 



Fire line on lehigh Valley Railroad near Bloomsb-ury, 

 New Jersey. Bared ten foot strip is in the center of picture. 

 The thinned and bxirned over fire line is at the right of the 

 strip and the railroad is at the extreme right. 1910. 



A fire line on swamp ground. / three foot ditch, 

 takes the place of the ten foot cleared strip which is re- 

 quired for dry ground. On West Shore Railroad. 1910. 

 IJew Jersey. 



