Report upon tunnel ventilation of Baltimore and Ohio Railroad tunnels between Grafton and Parkersburg, West Virginia.
File(s):
- 1405371.pdf (9.423Mb PDF)
- Author(s)
- Date
- 1917
- Description
- 67, [1] leaves : ill. ; 29 cm.
- Permanent link
- http://digital.library.wisc.edu/1793/36996
- Export
- Export to RefWorks