Nancy Waldhaus has lived in her South Baltimore home since 1994. But what lies roughly 30 feet beneath it — a network of caverns left behind by 19th-century mining operations — may now be threatening the house she has called home for more than three decades.
“You’re just kind of like at a level of vigilance that’s tiring,” Waldhaus said.
In April 2024, after a large rainstorm, Waldhaus noticed a tree on the city-owned lot next to her house had suddenly lost several feet of height. She filed a report with 3-1-1. Shortly after, cracks began appearing in and around her home…