# Relationship history for MSHA mine 0201488

Current hierarchy: **Kevin L  Hall → Catalina Marble Inc → INDIAN TOWN QUARRY**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Catalina Marble Inc → INDIAN TOWN QUARRY; 1950-01-01 to 1996-01-19; source msha-controller-operator-history
- **controller_controls_mine:** Richard  Tibbits  et al → INDIAN TOWN QUARRY; 1950-01-01 to 1996-01-19; source msha-controller-operator-history
- **controller_controls_operator:** Richard  Tibbits  et al → Catalina Marble Inc; 1950-01-01 to 1996-01-19; source msha-controller-operator-history
- **operator_operates_mine:** Catalina Marble Inc → INDIAN TOWN QUARRY; 1996-01-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kevin L  Hall → INDIAN TOWN QUARRY; 1996-01-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kevin L  Hall → Catalina Marble Inc; 1996-01-20 to current/open; source msha-controller-operator-history