# Relationship history for MSHA mine 4406469

Current hierarchy: **Jay  Wallace → Jay-Bird Mining, Inc. → 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Sonny J  Smith → No. 1; 1975-06-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Gary A  Horn → No. 1; 1986-02-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Misty-Bec Coal Corp → No. 1; 1988-07-01 to 1991-09-08; source msha-controller-operator-history
- **controller_controls_operator:** Gary A  Horn → Misty-Bec Coal Corp; 1988-07-01 to 1991-09-08; source msha-controller-operator-history
- **operator_operates_mine:** Golden Eagle Coal Corp → No. 1; 1991-09-09 to 1992-10-07; source msha-controller-operator-history
- **controller_controls_mine:** Jerry K  Lester → No. 1; 1991-09-09 to 1992-10-07; source msha-controller-operator-history
- **controller_controls_operator:** Jerry K  Lester → Golden Eagle Coal Corp; 1991-09-09 to 1992-10-07; source msha-controller-operator-history
- **controller_controls_mine:** Mack  Stiltner et al → No. 1; 1992-06-02 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Triple S Coal Company Inc → No. 1; 1992-10-08 to 1994-09-07; source msha-controller-operator-history
- **controller_controls_operator:** Sonny J  Smith → Triple S Coal Company Inc; 1992-10-08 to 1994-09-07; source msha-controller-operator-history
- **operator_operates_mine:** Misty-Bec Coal Corp → No. 1; 1994-09-08 to 2000-06-06; source msha-controller-operator-history
- **controller_controls_operator:** Gary A  Horn → Misty-Bec Coal Corp; 1994-09-08 to 2000-06-06; source msha-controller-operator-history
- **operator_operates_mine:** Mackie J Coal Company Inc → No. 1; 2000-06-07 to 2002-09-17; source msha-controller-operator-history
- **controller_controls_operator:** Mack  Stiltner et al → Mackie J Coal Company Inc; 2000-06-07 to 2002-09-17; source msha-controller-operator-history
- **operator_operates_mine:** Jay-Bird Mining, Inc. → No. 1; 2002-09-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jay  Wallace → No. 1; 2002-09-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jay  Wallace → Jay-Bird Mining, Inc.; 2002-09-18 to current/open; source msha-controller-operator-history