CO 145, MP 49, micro-pile installation
https://www.codot.gov/projects/archived-project-sites/co145-us550-patchwallrepair/photo-gallery/co-145-u.jpg/view
https://www.codot.gov/projects/archived-project-sites/co145-us550-patchwallrepair/photo-gallery/co-145-u.jpg/@@download/image/CO 145 U.jpg
CO 145, MP 49, micro-pile installation