# Relationship history for MSHA mine 1516916

Current hierarchy: **Pittston Company → Addington Inc → Pond Creek 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

- **operator_operates_mine:** Grace Coal Company Inc → Pond Creek No 2; 1990-07-01 to 1993-03-22; source msha-controller-operator-history
- **controller_controls_mine:** Novella  Lowe → Pond Creek No 2; 1990-07-01 to 1993-11-02; source msha-controller-operator-history
- **controller_controls_operator:** Novella  Lowe → Grace Coal Company Inc; 1990-07-01 to 1993-03-22; source msha-controller-operator-history
- **operator_operates_mine:** Scant Branch Coal Company Inc → Pond Creek No 2; 1993-03-23 to 1994-02-16; source msha-controller-operator-history
- **controller_controls_mine:** James L  Griffith et al → Pond Creek No 2; 1993-03-23 to 1994-02-16; source msha-controller-operator-history
- **controller_controls_operator:** James L  Griffith et al → Scant Branch Coal Company Inc; 1993-03-23 to 1994-02-16; source msha-controller-operator-history
- **controller_controls_mine:** Pittston Company → Pond Creek No 2; 1994-01-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Scant Branch Coal Company Inc → Pond Creek No 2; 1994-02-17 to 1998-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Charles  Griffith → Pond Creek No 2; 1994-02-17 to 1998-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Charles  Griffith → Scant Branch Coal Company Inc; 1994-02-17 to 1998-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Carl  Kirk et al → Pond Creek No 2; 1998-02-19 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Twin Star Mining Corp → Pond Creek No 2; 1998-06-01 to 2001-05-08; source msha-controller-operator-history
- **controller_controls_mine:** Milford T  Compton → Pond Creek No 2; 1998-06-01 to 2001-05-08; source msha-controller-operator-history
- **controller_controls_operator:** Milford T  Compton → Twin Star Mining Corp; 1998-06-01 to 2001-05-08; source msha-controller-operator-history
- **operator_operates_mine:** North Star Mining Inc → Pond Creek No 2; 2001-05-09 to 2003-08-10; source msha-controller-operator-history
- **controller_controls_operator:** Carl  Kirk et al → North Star Mining Inc; 2001-05-09 to 2003-08-10; source msha-controller-operator-history
- **operator_operates_mine:** Addington Inc → Pond Creek No 2; 2003-08-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pittston Company → Addington Inc; 2003-08-11 to current/open; source msha-controller-operator-history