I-70 Idaho Springs
An old, abondonded mine shaft that was unknown created a sinkhole.
https://www.codot.gov/business/designsupport/materials-and-geotechnical/programs/geohaz/assets/I-70%20Idaho%20Springs%20Sinkhole.jpg/view
https://www.codot.gov/business/designsupport/materials-and-geotechnical/programs/geohaz/assets/I-70%20Idaho%20Springs%20Sinkhole.jpg/@@download/image/I-70 Idaho Springs Sinkhole.jpg
I-70 Idaho Springs
An old, abondonded mine shaft that was unknown created a sinkhole.
