# Relationship history for MSHA mine 4602111

Current hierarchy: **John F  Hale Jr → Princeton Specialty Coal Corp Inc → #10 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

- **operator_operates_mine:** United Pocahontas Coal Company → #10 Mine; 1950-01-01 to 1980-11-06; source msha-controller-operator-history
- **controller_controls_mine:** National Bulk Carriers → #10 Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** National Bulk Carriers → United Pocahontas Coal Company; 1950-01-01 to 1980-11-06; source msha-controller-operator-history
- **operator_operates_mine:** Riverside Mining Inc → #10 Mine; 1980-11-07 to 1982-05-02; source msha-controller-operator-history
- **controller_controls_mine:** Mc Nicol Jack B → #10 Mine; 1980-11-07 to 1982-05-02; source msha-controller-operator-history
- **controller_controls_operator:** Mc Nicol Jack B → Riverside Mining Inc; 1980-11-07 to 1982-05-02; source msha-controller-operator-history
- **operator_operates_mine:** United Pocahontas Coal Company → #10 Mine; 1982-05-03 to 1983-02-23; source msha-controller-operator-history
- **controller_controls_mine:** White Ulys P & Edward V Cole → #10 Mine; 1982-05-03 to 1983-02-23; source msha-controller-operator-history
- **controller_controls_operator:** White Ulys P & Edward V Cole → United Pocahontas Coal Company; 1982-05-03 to 1983-02-23; source msha-controller-operator-history
- **operator_operates_mine:** C & B Coal Company → #10 Mine; 1983-02-24 to 1984-05-14; source msha-controller-operator-history
- **controller_controls_mine:** Childers Dale → #10 Mine; 1983-02-24 to 1984-05-14; source msha-controller-operator-history
- **controller_controls_operator:** Childers Dale → C & B Coal Company; 1983-02-24 to 1984-05-14; source msha-controller-operator-history
- **operator_operates_mine:** G L & R Coal Company → #10 Mine; 1984-05-15 to 1986-10-05; source msha-controller-operator-history
- **controller_controls_mine:** Jackson Raymond & George Stevens → #10 Mine; 1984-05-15 to 1986-10-05; source msha-controller-operator-history
- **controller_controls_operator:** Jackson Raymond & George Stevens → G L & R Coal Company; 1984-05-15 to 1986-10-05; source msha-controller-operator-history
- **operator_operates_mine:** R B J Coal Company Inc → #10 Mine; 1986-10-06 to 1989-06-24; source msha-controller-operator-history
- **controller_controls_mine:** Lawson Charles W → #10 Mine; 1986-10-06 to 1989-06-24; source msha-controller-operator-history
- **controller_controls_operator:** Lawson Charles W → R B J Coal Company Inc; 1986-10-06 to 1989-06-24; source msha-controller-operator-history
- **operator_operates_mine:** Princeton Specialty Coal Corp Inc → #10 Mine; 1989-06-25 to 1990-05-13; source msha-controller-operator-history
- **controller_controls_mine:** Bennett Lloyd B → #10 Mine; 1989-06-25 to 1990-05-13; source msha-controller-operator-history
- **controller_controls_operator:** Bennett Lloyd B → Princeton Specialty Coal Corp Inc; 1989-06-25 to 1990-05-13; source msha-controller-operator-history
- **operator_operates_mine:** Princeton Specialty Coal Corp Inc → #10 Mine; 1990-05-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John F  Hale Jr → #10 Mine; 1990-05-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John F  Hale Jr → Princeton Specialty Coal Corp Inc; 1990-05-14 to current/open; source msha-controller-operator-history