Mudloggers Manual, PDF, Drilling Rig
The Incredible Story of the US Army's Earth-Shaking, Off-Road Land Trains
LeTourneau gets go-ahead to restart rig work - Advantage
Ship To Shore, PDF, Amphibious Warfare
Janice Marie Ferguson
Keppel LeTourneau - Rig of Tomorrow
R.G. LeTourneau: The Man Who Moved the Earth - Farm Collector
Canadian In-Use Vehicle Emissions Reduction Programs - CCME
Getting Started with Photogrammetry Using Your Cell Phone
A history of engineering excellence - Mining Journal