Trenching and Excavation, NIOSH
U.S. Bureau of Labor Statistics (BLS) data show that 271 workers died in trenching or excavation cave-ins from 2000 through 2006.
Preventing trenching fatalities, 2019-06-06
The 3 S's of Trenching Safely: Slope It, Shore It, Shield It!
Preventing Trenching and Excavating Fatalities
An Overview of Trenching and Excavation Safety Guidelines by OSHA
OSHA Quarterly - February 2014
Excavation & Trench Safety by NUCA
Preventing Trenching Fatalities, Blogs
Prison Time for Killing Worker in Trench Collapses - Confined Space
Trenching and Excavation, NIOSH
The Dangers of a Negligent Excavation
Slope It, Shore It, Shield It: Working Safely in Trenches
Trenching and excavation safety, 2016-10-23