# Relationship history for MSHA mine 4605644

Current hierarchy: **Henry Paul  Kizer → Zalkin Coal Sales Inc → Refuse Site**

- 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:** Assoc Technique De L'Importation Charbonniere → Refuse Site; 1976-02-14 to 1983-09-28; source msha-controller-operator-history
- **operator_operates_mine:** Beckley Lick Run Company → Refuse Site; 1977-09-01 to 1983-09-28; source msha-controller-operator-history
- **controller_controls_operator:** Assoc Technique De L'Importation Charbonniere → Beckley Lick Run Company; 1977-09-01 to 1983-09-28; source msha-controller-operator-history
- **controller_controls_mine:** CSX Corp → Refuse Site; 1983-09-26 to 1987-10-05; source msha-controller-operator-history
- **operator_operates_mine:** Beckley Lick Run Company → Refuse Site; 1983-09-29 to 1987-10-05; source msha-controller-operator-history
- **controller_controls_operator:** CSX Corp → Beckley Lick Run Company; 1983-09-29 to 1987-10-05; source msha-controller-operator-history
- **operator_operates_mine:** Zalkin Coal Sales Inc → Refuse Site; 1987-10-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Henry Paul  Kizer et al → Refuse Site; 1987-10-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Henry Paul  Kizer et al → Zalkin Coal Sales Inc; 1987-10-06 to current/open; source msha-controller-operator-history