# Relationship history for MSHA mine 1514013

Current hierarchy: **Salmons Carlos → Timper Mining Company Inc → No 3**

- 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:** Pinson Edward S Et Al → No 3; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Pittston Company → No 3; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Eastern Coal Corp → No 3; 1983-04-01 to 1983-04-21; source msha-controller-operator-history
- **controller_controls_operator:** Pittston Company → Eastern Coal Corp; 1983-04-01 to 1983-04-21; source msha-controller-operator-history
- **operator_operates_mine:** Blue Ridge Coal Corp → No 3; 1983-04-22 to 1985-01-02; source msha-controller-operator-history
- **controller_controls_operator:** Pinson Edward S Et Al → Blue Ridge Coal Corp; 1983-04-22 to 1985-01-02; source msha-controller-operator-history
- **controller_controls_mine:** Les  Mayhorn et al → No 3; 1984-07-23 to 1987-06-17; source msha-controller-operator-history
- **operator_operates_mine:** Mr C Coal Company Inc → No 3; 1985-01-03 to 1987-06-17; source msha-controller-operator-history
- **controller_controls_operator:** Les  Mayhorn et al → Mr C Coal Company Inc; 1985-01-03 to 1987-06-17; source msha-controller-operator-history
- **operator_operates_mine:** Keystone Mining Inc → No 3; 1987-06-18 to 1987-11-23; source msha-controller-operator-history
- **controller_controls_mine:** Salmons Carlos → No 3; 1987-06-18 to 1987-11-23; source msha-controller-operator-history
- **controller_controls_operator:** Salmons Carlos → Keystone Mining Inc; 1987-06-18 to 1987-11-23; source msha-controller-operator-history
- **operator_operates_mine:** Radec Mining Inc → No 3; 1987-11-24 to 1989-05-18; source msha-controller-operator-history
- **controller_controls_mine:** Parsley Kay → No 3; 1987-11-24 to 1989-05-18; source msha-controller-operator-history
- **controller_controls_operator:** Parsley Kay → Radec Mining Inc; 1987-11-24 to 1989-05-18; source msha-controller-operator-history
- **controller_controls_mine:** Parsley Ronald Et Al → No 3; 1988-10-13 to 1990-08-15; source msha-controller-operator-history
- **operator_operates_mine:** Orion Development Corp → No 3; 1989-05-19 to 1990-08-15; source msha-controller-operator-history
- **controller_controls_operator:** Parsley Ronald Et Al → Orion Development Corp; 1989-05-19 to 1990-08-15; source msha-controller-operator-history
- **operator_operates_mine:** Big Branch Mining Inc → No 3; 1990-08-16 to 1991-12-30; source msha-controller-operator-history
- **controller_controls_mine:** Kenneth L  Farley et al → No 3; 1990-08-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth L  Farley et al → Big Branch Mining Inc; 1990-08-16 to 1991-12-30; source msha-controller-operator-history
- **controller_controls_mine:** Salmons Carlos → No 3; 1991-07-22 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Timper Mining Company Inc → No 3; 1991-12-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Salmons Carlos → Timper Mining Company Inc; 1991-12-31 to current/open; source msha-controller-operator-history