# Relationship history for MSHA mine 4002763

Current hierarchy: **Bradley Equipment Company Inc → Cove Creek Energies Inc → Block Tipple**

- 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:** Gibson Herbert & Roy Coleman → Block Tipple; 1981-03-26 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Valley Resources → Block Tipple; 1982-01-01 to 1983-11-06; source msha-controller-operator-history
- **controller_controls_operator:** Gibson Herbert & Roy Coleman → Valley Resources; 1982-01-01 to 1983-11-06; source msha-controller-operator-history
- **operator_operates_mine:** Cove Creek Energies Inc → Block Tipple; 1983-11-07 to 1985-04-11; source msha-controller-operator-history
- **controller_controls_mine:** Bradley Equipment Company Inc → Block Tipple; 1983-11-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bradley Equipment Company Inc → Cove Creek Energies Inc; 1983-11-07 to 1985-04-11; source msha-controller-operator-history
- **operator_operates_mine:** C & P Coal Company → Block Tipple; 1985-04-12 to 1985-10-17; source msha-controller-operator-history
- **controller_controls_mine:** Cullimore Peter J & Charles Lawson → Block Tipple; 1985-04-12 to 1985-10-17; source msha-controller-operator-history
- **controller_controls_operator:** Cullimore Peter J & Charles Lawson → C & P Coal Company; 1985-04-12 to 1985-10-17; source msha-controller-operator-history
- **operator_operates_mine:** Cove Creek Energies Inc → Block Tipple; 1985-10-18 to 1986-10-01; source msha-controller-operator-history
- **controller_controls_operator:** Bradley Equipment Company Inc → Cove Creek Energies Inc; 1985-10-18 to 1986-10-01; source msha-controller-operator-history
- **operator_operates_mine:** Allegheny Coal Of Tn Inc → Block Tipple; 1986-10-02 to 1987-10-04; source msha-controller-operator-history
- **controller_controls_mine:** Goad Paul → Block Tipple; 1986-10-02 to 1987-10-04; source msha-controller-operator-history
- **controller_controls_operator:** Goad Paul → Allegheny Coal Of Tn Inc; 1986-10-02 to 1987-10-04; source msha-controller-operator-history
- **operator_operates_mine:** Cajun Trading Corp → Block Tipple; 1987-10-05 to 1988-09-26; source msha-controller-operator-history
- **controller_controls_mine:** Anker Group Inc → Block Tipple; 1987-10-05 to 1988-09-26; source msha-controller-operator-history
- **controller_controls_operator:** Anker Group Inc → Cajun Trading Corp; 1987-10-05 to 1988-09-26; source msha-controller-operator-history
- **controller_controls_mine:** Bradley Equipment Company Inc → Block Tipple; 1988-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Abc Mining Company Inc → Block Tipple; 1988-09-27 to 1988-11-13; source msha-controller-operator-history
- **controller_controls_operator:** Bradley Equipment Company Inc → Abc Mining Company Inc; 1988-09-27 to 1988-11-13; source msha-controller-operator-history
- **operator_operates_mine:** Mountain Energy Sales Inc → Block Tipple; 1988-11-14 to 1990-05-14; source msha-controller-operator-history
- **controller_controls_mine:** Ricky D  Franklin → Block Tipple; 1988-11-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ricky D  Franklin → Mountain Energy Sales Inc; 1988-11-14 to 1990-05-14; source msha-controller-operator-history
- **operator_operates_mine:** Cove Creek Energies Inc → Block Tipple; 1990-05-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bradley Equipment Company Inc → Cove Creek Energies Inc; 1990-05-15 to current/open; source msha-controller-operator-history