# Relationship history for MSHA mine 1505435

Current hierarchy: **Garnie E  Johnson; George  Johnson → Stallion Coal Company Inc → No 23**

- 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:** New Era Resources Inc → No 23; 1950-01-01 to 1978-07-31; source msha-controller-operator-history
- **operator_operates_mine:** Burga Mining Company Inc → No 23; 1950-01-01 to 1976-01-30; source msha-controller-operator-history
- **controller_controls_mine:** Kost R L → No 23; 1950-01-01 to 1976-01-30; source msha-controller-operator-history
- **controller_controls_operator:** Kost R L → Burga Mining Company Inc; 1950-01-01 to 1976-01-30; source msha-controller-operator-history
- **controller_controls_mine:** Moore Carl → No 23; 1973-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Carl Moore Coal Company Inc → No 23; 1976-01-31 to 1978-03-07; source msha-controller-operator-history
- **controller_controls_operator:** Moore Carl → Carl Moore Coal Company Inc; 1976-01-31 to 1978-03-07; source msha-controller-operator-history
- **operator_operates_mine:** Apache Mining Company → No 23; 1978-03-08 to 1978-06-15; source msha-controller-operator-history
- **controller_controls_operator:** New Era Resources Inc → Apache Mining Company; 1978-03-08 to 1978-06-15; source msha-controller-operator-history
- **operator_operates_mine:** Apache Mining Company → No 23; 1978-06-16 to 1980-02-04; source msha-controller-operator-history
- **controller_controls_mine:** Global Energy Resources Inc → No 23; 1978-06-16 to 1980-02-04; source msha-controller-operator-history
- **controller_controls_operator:** Global Energy Resources Inc → Apache Mining Company; 1978-06-16 to 1980-02-04; source msha-controller-operator-history
- **controller_controls_mine:** Richard E  Salyer et al → No 23; 1979-02-20 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Apache Mining Company → No 23; 1980-02-05 to 1980-05-28; source msha-controller-operator-history
- **controller_controls_mine:** El Paso Energy Corp → No 23; 1980-02-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** El Paso Energy Corp → Apache Mining Company; 1980-02-05 to 1980-05-28; source msha-controller-operator-history
- **operator_operates_mine:** Apache Mining Company → No 23; 1980-05-29 to 1980-07-30; source msha-controller-operator-history
- **controller_controls_mine:** Dunn James H → No 23; 1980-05-29 to 1980-07-30; source msha-controller-operator-history
- **controller_controls_operator:** Dunn James H → Apache Mining Company; 1980-05-29 to 1980-07-30; source msha-controller-operator-history
- **operator_operates_mine:** Appalachia Mining Company Inc → No 23; 1980-07-31 to 1982-12-02; source msha-controller-operator-history
- **controller_controls_mine:** Thomas M  Rasnake → No 23; 1980-07-31 to 1982-12-02; source msha-controller-operator-history
- **controller_controls_operator:** Thomas M  Rasnake → Appalachia Mining Company Inc; 1980-07-31 to 1982-12-02; source msha-controller-operator-history
- **operator_operates_mine:** Eldorado Coal Company Inc → No 23; 1982-12-03 to 1984-08-05; source msha-controller-operator-history
- **controller_controls_operator:** Richard E  Salyer et al → Eldorado Coal Company Inc; 1982-12-03 to 1984-08-05; source msha-controller-operator-history
- **operator_operates_mine:** Stallion Coal Company Inc → No 23; 1984-08-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Garnie E  Johnson et al → No 23; 1984-08-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Garnie E  Johnson et al → Stallion Coal Company Inc; 1984-08-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** George  Johnson et al → Stallion Coal Company Inc; 1984-08-06 to current/open; source msha-controller-operator-history