In some parts of the country, dangerous sinkholes are opening as aging, abandoned mine infrastructure erode beneath communities, roads and public lands. ▻

In some parts of the country, dangerous sinkholes are opening as aging, abandoned mine infrastructure erode beneath communities, roads and public lands. ▻ ↧ 'A constant problem': Abandoned mines causing sinkholes, other inci... An ABC News investigation finds that decaying infrastructure from abandoned underground mines is causing the collapse of streets, highways and family homes.