T. R. Witcher
- Unanticipated Benefits: The Moffat Tunnel. In: Civil Engineering Magazine, v. 88, n. 9 (October 2018). (2018):
- A Watershed Moment: The Middlesex Canal. In: Civil Engineering Magazine, v. 87, n. 7 (July 2017). (2017):
- Vancouver's Mapping of the West Coast of North America. In: Civil Engineering Magazine, v. 87, n. 1 (January 2017). (2017):
- Zion-Mount Carmel Highway and Tunnel. In: Civil Engineering Magazine, v. 86, n. 2 (February 2016). (2016):
- Unexpected Consequences. In: Civil Engineering Magazine, v. 85, n. 11 (December 2015). (2015):