# Relationship history for MSHA mine 1514178

Current hierarchy: **William E  Pace Jr → L & A Coal Company → #1 Mine**

- 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:** Bowlin Charlie Et Al → #1 Mine; 1978-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Oceana Mining Inc → #1 Mine; 1983-06-01 to 1984-05-31; source msha-controller-operator-history
- **controller_controls_mine:** James E  Trent → #1 Mine; 1983-06-01 to 1984-05-31; source msha-controller-operator-history
- **controller_controls_operator:** James E  Trent → Oceana Mining Inc; 1983-06-01 to 1984-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Bradley Equipment Company Inc → #1 Mine; 1983-07-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Red Work Delta Mining → #1 Mine; 1984-06-01 to 1988-12-12; source msha-controller-operator-history
- **controller_controls_mine:** Sanders Larry Et Al → #1 Mine; 1984-06-01 to 1988-12-12; source msha-controller-operator-history
- **controller_controls_operator:** Sanders Larry Et Al → Red Work Delta Mining; 1984-06-01 to 1988-12-12; source msha-controller-operator-history
- **operator_operates_mine:** C & F Corp → #1 Mine; 1988-12-13 to 1989-03-30; source msha-controller-operator-history
- **controller_controls_operator:** Bowlin Charlie Et Al → C & F Corp; 1988-12-13 to 1989-03-30; source msha-controller-operator-history
- **operator_operates_mine:** Liza Mountain Inc → #1 Mine; 1989-03-31 to 1990-08-08; source msha-controller-operator-history
- **controller_controls_mine:** Bunch Donald B → #1 Mine; 1989-03-31 to 1990-08-08; source msha-controller-operator-history
- **controller_controls_operator:** Bunch Donald B → Liza Mountain Inc; 1989-03-31 to 1990-08-08; source msha-controller-operator-history
- **operator_operates_mine:** Redwork Delta Mining Inc → #1 Mine; 1990-08-09 to 1990-09-20; source msha-controller-operator-history
- **controller_controls_mine:** Saunders Larry → #1 Mine; 1990-08-09 to 1990-09-20; source msha-controller-operator-history
- **controller_controls_operator:** Saunders Larry → Redwork Delta Mining Inc; 1990-08-09 to 1990-09-20; source msha-controller-operator-history
- **operator_operates_mine:** Dmc Energy Inc → #1 Mine; 1990-09-21 to 1992-12-17; source msha-controller-operator-history
- **controller_controls_operator:** Bradley Equipment Company Inc → Dmc Energy Inc; 1990-09-21 to 1992-12-17; source msha-controller-operator-history
- **operator_operates_mine:** Sky Coal Company Inc → #1 Mine; 1992-12-18 to 1994-08-01; source msha-controller-operator-history
- **controller_controls_mine:** Sturgill Leonard → #1 Mine; 1992-12-18 to 1994-08-01; source msha-controller-operator-history
- **controller_controls_operator:** Sturgill Leonard → Sky Coal Company Inc; 1992-12-18 to 1994-08-01; source msha-controller-operator-history
- **operator_operates_mine:** L & A Coal Company → #1 Mine; 1994-08-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** William E  Pace Jr → #1 Mine; 1994-08-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William E  Pace Jr → L & A Coal Company; 1994-08-02 to current/open; source msha-controller-operator-history