# Relationship history for MSHA mine 4405581

Current hierarchy: **James Wayne  Estep → Estep Coal Company Inc → Mine 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

- **controller_controls_mine:** Rash Russell → Mine No 2; 1977-09-28 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Middle Creek Coal Corp → Mine No 2; 1981-01-01 to 1986-03-11; source msha-controller-operator-history
- **controller_controls_operator:** Rash Russell → Middle Creek Coal Corp; 1981-01-01 to 1986-03-11; source msha-controller-operator-history
- **controller_controls_mine:** James Wayne  Estep → Mine No 2; 1981-07-15 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Wise Buck Corp → Mine No 2; 1986-03-12 to 1988-08-07; source msha-controller-operator-history
- **controller_controls_mine:** Matney Henry & Frank Rash → Mine No 2; 1986-03-12 to 1988-08-07; source msha-controller-operator-history
- **controller_controls_operator:** Matney Henry & Frank Rash → Wise Buck Corp; 1986-03-12 to 1988-08-07; source msha-controller-operator-history
- **operator_operates_mine:** Estep Coal Company Inc → Mine No 2; 1988-08-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James Wayne  Estep → Estep Coal Company Inc; 1988-08-08 to current/open; source msha-controller-operator-history