! 



^PS 



:CO 



Handle with 



EXTREME CARE 



This volume is damaged or brittle i 

 and CANNOT be repaired! 



photocopy only if necessary 



return to staff 



do not put in bookdrop 



Gerstein Science Information Centre 



Mills, William 

 Hemingway 



Railway Construction 



S&M 

 A -329 

 c.l 

 PASC 



