# Relationship history for MSHA mine 1516987

Current hierarchy: **Hood Carl E → Capital Mining Inc → Mine No 1**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Theodore  Yates et al → Mine No 1; 1989-02-21 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Har-Lee Coal Company Inc → Mine No 1; 1990-10-01 to 1991-01-30; source msha-controller-operator-history
- **controller_controls_operator:** Theodore  Yates et al → Har-Lee Coal Company Inc; 1990-10-01 to 1991-01-30; source msha-controller-operator-history
- **operator_operates_mine:** Capital Mining Inc → Mine No 1; 1991-01-31 to 1991-10-17; source msha-controller-operator-history
- **controller_controls_mine:** Hood Carl E → Mine No 1; 1991-01-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hood Carl E → Capital Mining Inc; 1991-01-31 to 1991-10-17; source msha-controller-operator-history
- **operator_operates_mine:** Dbl Inc → Mine No 1; 1991-10-18 to 1991-11-28; source msha-controller-operator-history
- **controller_controls_mine:** Hogg Don → Mine No 1; 1991-10-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hogg Don → Dbl Inc; 1991-10-18 to 1991-11-28; source msha-controller-operator-history
- **operator_operates_mine:** Capital Mining Inc → Mine No 1; 1991-11-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hood Carl E → Capital Mining Inc; 1991-11-29 to current/open; source msha-controller-operator-history