RULES 



FOR 



RAILWAY LOCATION 



AND CONSTRUCTION 



USED ON THE 



NORTHERN PACIFIC 



E. H. McHENRY, M. Am. Soc. C. E. 



Chief Engineer No. Pac. Ry. Co., 1893-1901, 

 now Chief Engineer Can. Pac. Ry. 



WITH AN ADDITIONAL CHAPTER ON 

 * 



ESTIMATING OVERHAUL IN EARTHWORK. 



COMPILED BY H. P. GILLETTE 









NEWYORK 



THE ENGINEERING NEWS PUBLISHING CO. 



