Montana StatutesPart 5. Pneumoconiosis (Repealed)39-72-501. Repealed.39-72-502. Repealed.39-72-503. Repealed.39-72-504. Repealed.39-72-505. Repealed.39-72-506. Repealed.39-72-507. Repealed.39-72-508. Repealed.39-72-509. Repealed.