# Relationship history for MSHA mine 4607788

Current hierarchy: **Alex E  Wolfe; Latricia N  Wolfe → ACE AGGREGATES → PHILIPPI 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

- **controller_controls_mine:** Martin Marietta Materials Inc → PHILIPPI QUARRY; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** New Enterprise Stone & Lime Company Inc → PHILIPPI QUARRY; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Damark Limestone Inc → PHILIPPI QUARRY; 1989-10-01 to 1995-04-09; source msha-controller-operator-history
- **controller_controls_mine:** Franklin G Day → PHILIPPI QUARRY; 1989-10-01 to 1995-04-09; source msha-controller-operator-history
- **controller_controls_operator:** Franklin G Day → Damark Limestone Inc; 1989-10-01 to 1995-04-09; source msha-controller-operator-history
- **operator_operates_mine:** New Enterprise Stone & Lime Company Inc → PHILIPPI QUARRY; 1995-04-10 to 1998-06-14; source msha-controller-operator-history
- **controller_controls_operator:** New Enterprise Stone & Lime Company Inc → New Enterprise Stone & Lime Company Inc; 1995-04-10 to 1998-06-14; source msha-controller-operator-history
- **operator_operates_mine:** Philippi Limestone Llc → PHILIPPI QUARRY; 1998-06-15 to 1999-12-05; source msha-controller-operator-history
- **controller_controls_mine:** Franklin G Day → PHILIPPI QUARRY; 1998-06-15 to 1999-12-05; source msha-controller-operator-history
- **controller_controls_operator:** Franklin G Day → Philippi Limestone Llc; 1998-06-15 to 1999-12-05; source msha-controller-operator-history
- **operator_operates_mine:** Martin Marietta Materials Inc → PHILIPPI QUARRY; 1999-12-06 to 2014-03-24; source msha-controller-operator-history
- **controller_controls_operator:** Martin Marietta Materials Inc → Martin Marietta Materials Inc; 1999-12-06 to 2014-03-24; source msha-controller-operator-history
- **operator_operates_mine:** Cove Run Contracting LLC → PHILIPPI QUARRY; 2014-03-25 to 2017-05-04; source msha-controller-operator-history
- **controller_controls_mine:** Jennifer C  Wolfe et al → PHILIPPI QUARRY; 2014-03-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jennifer C  Wolfe et al → Cove Run Contracting LLC; 2014-03-25 to 2017-05-04; source msha-controller-operator-history
- **controller_controls_operator:** Christopher M  Wolfe et al → Cove Run Contracting LLC; 2014-03-25 to 2017-05-04; source msha-controller-operator-history
- **operator_operates_mine:** Martin Marietta → PHILIPPI QUARRY; 2017-05-05 to 2019-12-29; source msha-controller-operator-history
- **controller_controls_operator:** Martin Marietta Materials Inc → Martin Marietta; 2017-05-05 to 2019-12-29; source msha-controller-operator-history
- **operator_operates_mine:** Ace Aggregates → PHILIPPI QUARRY; 2019-12-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Alex E  Wolfe et al → PHILIPPI QUARRY; 2019-12-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alex E  Wolfe et al → Ace Aggregates; 2019-12-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Latricia N  Wolfe et al → Ace Aggregates; 2019-12-30 to current/open; source msha-controller-operator-history
