Leadville
Drilling for bridge foundation under US-24 by Leadville.
https://www.codot.gov/business/designsupport/materials-and-geotechnical/programs/geotech/drilling/cme-550/TN_Pass.B.jpg/view
https://www.codot.gov/business/designsupport/materials-and-geotechnical/programs/geotech/drilling/cme-550/TN_Pass.B.jpg/@@download/image/TN_Pass.B.jpg
Leadville
Drilling for bridge foundation under US-24 by Leadville.