Vail
Drilling for a slide on I-70 while snowing... in June.
https://www.codot.gov/business/designsupport/materials-and-geotechnical/programs/geotech/drilling/cme-75/DSCF0043.JPG/view
https://www.codot.gov/business/designsupport/materials-and-geotechnical/programs/geotech/drilling/cme-75/DSCF0043.JPG/@@download/image/DSCF0043.JPG
Vail
Drilling for a slide on I-70 while snowing... in June.