# Relationship history for MSHA mine 2302197

Current hierarchy: **Michael K Farmer; Elliott (Bud) E Farmer → Capital Materials LLC → PALO 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:** Smasal Aggregates → PALO QUARRY; 1999-06-01 to 2005-06-16; source msha-controller-operator-history
- **controller_controls_mine:** Mike  Smasal → PALO QUARRY; 1999-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mike  Smasal → Smasal Aggregates; 1999-06-01 to 2005-06-16; source msha-controller-operator-history
- **operator_operates_mine:** Smasal Aggregates and Asphalt, LLC → PALO QUARRY; 2005-06-17 to 2018-11-27; source msha-controller-operator-history
- **controller_controls_mine:** Kevin R  Fahey → PALO QUARRY; 2005-06-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kevin R  Fahey → Smasal Aggregates and Asphalt, LLC; 2005-06-17 to 2018-11-27; source msha-controller-operator-history
- **controller_controls_mine:** Elliott (Bud) E Farmer  et al → PALO QUARRY; 2016-05-12 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Capital Materials LLC → PALO QUARRY; 2018-11-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Elliott (Bud) E Farmer  et al → Capital Materials LLC; 2018-11-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael K Farmer  et al → Capital Materials LLC; 2018-11-28 to current/open; source msha-controller-operator-history