Caving–in, Collapse, Subsidence, Etc.
- 52 P.S. PA ST Ch. 7, Caving-in, Collapse, Subsidence, Etc., Refs & Annos
- § 661. Mining so as to Cause Collapse of Certain Structures or Places Prohibited
- § 662. Maps and Plans of Workings or Excavations; Deposit with Mayors or County Commissioners; Public Records
- § 663. Designation and Marking of Coal Pillars
- § 664. Access by Municipal Officers to Mines
- § 665. Mining Where Pillars Not Designated; Preventing Mining in Violation of Act
- § 666. Exceptions from Operation of Act
- § 667. Violations of Act; Penalty
- § 668. Restraining Violations of Act
- § 669. Construction of Act
- § 670. Partial Invalidity of Act
- § 671. Time of Taking Effect of Act