# Relationship history for MSHA mine 4104966

Current hierarchy: **Meagan  Cumberland → Apex Materials LLC → Ray Pit**

- 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:** Traeger L  Hamilton et al → Ray Pit; 2009-02-02 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Tristar Aggregates 1, LLC → Ray Pit; 2012-09-18 to 2013-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Traeger L  Hamilton et al → Tristar Aggregates 1, LLC; 2012-09-18 to 2013-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Daniel O  Corrigan et al → Tristar Aggregates 1, LLC; 2012-09-18 to 2013-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Charles W  Harrison Jr → Ray Pit; 2013-08-09 to 2015-09-30; source msha-controller-operator-history
- **operator_operates_mine:** The Gravel Company, LLC → Ray Pit; 2014-01-01 to 2014-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Traeger L  Hamilton et al → Ray Pit; 2014-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Traeger L  Hamilton et al → The Gravel Company, LLC; 2014-01-01 to 2014-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Daniel O  Corrigan et al → The Gravel Company, LLC; 2014-01-01 to 2014-09-30; source msha-controller-operator-history
- **operator_operates_mine:** ACG Materials → Ray Pit; 2014-10-01 to 2018-12-05; source msha-controller-operator-history
- **controller_controls_operator:** Charles W  Harrison Jr → ACG Materials; 2014-10-01 to 2015-09-30; source msha-controller-operator-history
- **controller_controls_mine:** H I G Capital LLC → Ray Pit; 2015-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** H I G Capital LLC → ACG Materials; 2015-10-01 to 2018-12-05; source msha-controller-operator-history
- **operator_operates_mine:** ACG Materials → Ray Pit; 2018-12-06 to 2021-02-01; source msha-controller-operator-history
- **controller_controls_mine:** Arcosa, Inc → Ray Pit; 2018-12-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Arcosa, Inc → ACG Materials; 2018-12-06 to 2021-02-01; source msha-controller-operator-history
- **operator_operates_mine:** Apex Materials LLC → Ray Pit; 2021-02-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Meagan  Cumberland → Ray Pit; 2021-02-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Meagan  Cumberland → Apex Materials LLC; 2021-02-02 to current/open; source msha-controller-operator-history