# Relationship history for MSHA mine 4105215

Current hierarchy: **Pedro  Cepeda; Jesus  Cepeda → Filegonia Aggregates LLC → Mile 4  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

- **operator_operates_mine:** The Gulf Group LLC → Mile 4  Pit; 2016-08-29 to 2023-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Hugo A  Yanez et al → Mile 4  Pit; 2016-08-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hugo A  Yanez et al → The Gulf Group LLC; 2016-08-29 to 2023-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Katia V  Yanez et al → The Gulf Group LLC; 2016-08-29 to 2023-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Pedro  Cepeda et al → Mile 4  Pit; 2021-09-21 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Filegonia Materials LLC → Mile 4  Pit; 2023-07-01 to 2026-02-09; source msha-controller-operator-history
- **controller_controls_operator:** Pedro  Cepeda et al → Filegonia Materials LLC; 2023-07-01 to 2026-02-09; source msha-controller-operator-history
- **controller_controls_operator:** Jesus  Cepeda et al → Filegonia Materials LLC; 2023-07-01 to 2026-02-09; source msha-controller-operator-history
- **operator_operates_mine:** Filegonia Aggregates LLC → Mile 4  Pit; 2026-02-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Pedro  Cepeda et al → Mile 4  Pit; 2026-02-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pedro  Cepeda et al → Filegonia Aggregates LLC; 2026-02-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jesus  Cepeda et al → Filegonia Aggregates LLC; 2026-02-10 to current/open; source msha-controller-operator-history