|Title:||The New York improvement and tunnel extension of the Pennsylvania railroad. Issued August, 1910.|
|Publication info:||Ann Arbor, Michigan: University of Michigan Library
|Availability:||Where applicable, subject to copyright. Please go to http://quod.lib.umich.edu/t/text/accesspolicy.html for more information.|
The New York improvement and tunnel extension of the Pennsylvania railroad. Issued August, 1910.
Philadelphia, Pa: ,