# Relationship history for MSHA mine 4001826

Current hierarchy: **Lowe James Danny → Old Energy Inc → No 2**

- 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:** Ben  Sanders Jr → No 2; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lamb Creek Coal Company → No 2; 1975-11-01 to 1977-03-02; source msha-controller-operator-history
- **controller_controls_mine:** Stockwell Clarence & Marvin → No 2; 1975-11-01 to 1977-03-02; source msha-controller-operator-history
- **controller_controls_operator:** Stockwell Clarence & Marvin → Lamb Creek Coal Company; 1975-11-01 to 1977-03-02; source msha-controller-operator-history
- **controller_controls_mine:** Massey Energy Company → No 2; 1976-09-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Sanders Coal Company Inc → No 2; 1977-03-03 to 1978-09-25; source msha-controller-operator-history
- **controller_controls_operator:** Ben  Sanders Jr → Sanders Coal Company Inc; 1977-03-03 to 1978-09-25; source msha-controller-operator-history
- **controller_controls_mine:** Goldfields Mining Corp → No 2; 1978-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** East Tennessee Coal Company Inc → No 2; 1978-09-26 to 1981-02-28; source msha-controller-operator-history
- **controller_controls_operator:** Goldfields Mining Corp → East Tennessee Coal Company Inc; 1978-09-26 to 1981-02-28; source msha-controller-operator-history
- **operator_operates_mine:** Grundy Mining Company Inc → No 2; 1981-03-01 to 1987-08-23; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Grundy Mining Company Inc; 1981-03-01 to 1987-08-23; source msha-controller-operator-history
- **controller_controls_mine:** Lowe James Danny → No 2; 1986-05-06 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Old Energy Inc → No 2; 1987-08-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lowe James Danny → Old Energy Inc; 1987-08-24 to current/open; source msha-controller-operator-history