# Relationship history for MSHA mine 1512124

Current hierarchy: **Gary  Asher → Appolo Fuels Inc → Tipple No 4**

- 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:** Gary  Asher → Tipple No 4; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Fred  Morgenstern et al → Tipple No 4; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** S A M Coal Company Inc → Tipple No 4; 1979-11-01 to 1983-03-01; source msha-controller-operator-history
- **controller_controls_operator:** Fred  Morgenstern et al → S A M Coal Company Inc; 1979-11-01 to 1983-03-01; source msha-controller-operator-history
- **controller_controls_operator:** David  Morgenstern et al → S A M Coal Company Inc; 1979-11-01 to 1983-03-01; source msha-controller-operator-history
- **controller_controls_mine:** Shackelford Dallas & Moore Clyde W → Tipple No 4; 1983-02-21 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** White Oak Coal Corp → Tipple No 4; 1983-03-02 to 1983-10-30; source msha-controller-operator-history
- **controller_controls_operator:** Shackelford Dallas & Moore Clyde W → White Oak Coal Corp; 1983-03-02 to 1983-10-30; source msha-controller-operator-history
- **operator_operates_mine:** Norcoal Corp → Tipple No 4; 1983-10-31 to 1984-10-28; source msha-controller-operator-history
- **controller_controls_mine:** Fred  Morgenstern et al → Tipple No 4; 1983-10-31 to 1984-10-28; source msha-controller-operator-history
- **controller_controls_operator:** Fred  Morgenstern et al → Norcoal Corp; 1983-10-31 to 1984-10-28; source msha-controller-operator-history
- **operator_operates_mine:** Norcoal Kentucky Inc → Tipple No 4; 1984-10-29 to 1990-04-29; source msha-controller-operator-history
- **controller_controls_mine:** Noranda Group → Tipple No 4; 1984-10-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Noranda Group → Norcoal Kentucky Inc; 1984-10-29 to 1990-04-29; source msha-controller-operator-history
- **operator_operates_mine:** Appolo Fuels Inc → Tipple No 4; 1990-04-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gary  Asher → Appolo Fuels Inc; 1990-04-30 to current/open; source msha-controller-operator-history