# Relationship history for MSHA mine 3400506

Current hierarchy: **Kurt M  Swenson → Autumn Rose Quarry Inc → Autumn Rose 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:** Boadie L Anderson Quarries Inc → Autumn Rose Quarry; 1950-01-01 to 1994-04-12; source msha-controller-operator-history
- **controller_controls_mine:** Boadie L  Anderson → Autumn Rose Quarry; 1950-01-01 to 1994-04-12; source msha-controller-operator-history
- **controller_controls_operator:** Boadie L  Anderson → Boadie L Anderson Quarries Inc; 1950-01-01 to 1994-04-12; source msha-controller-operator-history
- **operator_operates_mine:** Autumn Rose Quarry Inc → Autumn Rose Quarry; 1994-04-13 to 1997-10-31; source msha-controller-operator-history
- **controller_controls_mine:** Massoud  Besharat  et al → Autumn Rose Quarry; 1994-04-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Massoud  Besharat  et al → Autumn Rose Quarry Inc; 1994-04-13 to 1997-10-31; source msha-controller-operator-history
- **controller_controls_operator:** Tom  Oglesby Jr  et al → Autumn Rose Quarry Inc; 1994-04-13 to 1997-10-31; source msha-controller-operator-history
- **operator_operates_mine:** Autumn Rose Quarry Inc → Autumn Rose Quarry; 1997-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kurt M  Swenson → Autumn Rose Quarry; 1997-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kurt M  Swenson → Autumn Rose Quarry Inc; 1997-11-01 to current/open; source msha-controller-operator-history