The economic theory of the location of railways an analysis of the conditions controlling the laying out of railways to effect the most judicious expenditure of capital / by Arthur Mellen Wellington M. Am. Soc. C. E.: M. Inst. C. E. lats principal assistant engineer for location and surveys mexican national railway, assistant general manager in charge of location mexican central railway and chef engineer of the american line from vera cruz to the City of Mexico - Wellington, Arthur Mellen, 1847-1895