Cracks in the foundation and basement of a house condemned due to pyrrhotite

By Mineral Resources Program May 2026 (approx.)

Photos showing large cracks in a concrete basement and external wall.

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Detailed Description

Basement and Exterior of a Home Condemned Due to Pyrrhotite Damage. Image from GAO report: GAO-20-649, CRUMBLING FOUNDATIONS: Extent of Homes with Defective Concrete Is Not Fully Known and Federal Options to Aid Homeowners Are Limited

Sources/Usage

Public Domain.

Source: GAO. GAO-20-649, CRUMBLING FOUNDATIONS: Extent of Homes with Defective Concrete Is Not Fully Known and Federal Options to Aid Homeowners Are Limited

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