# Relationship history for MSHA mine 4406422

Current hierarchy: **Kenneth L  Stacy → Reco Mining Inc → Mine 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:** Kyle Lawrence → Mine No 4; 1980-07-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** K & V Coal Company Inc → Mine No 4; 1987-10-01 to 1988-02-07; source msha-controller-operator-history
- **controller_controls_operator:** Kyle Lawrence → K & V Coal Company Inc; 1987-10-01 to 1988-02-07; source msha-controller-operator-history
- **operator_operates_mine:** Shanne Coal Corp → Mine No 4; 1988-02-08 to 1988-10-19; source msha-controller-operator-history
- **controller_controls_mine:** Howery Rodney A → Mine No 4; 1988-02-08 to 1988-10-19; source msha-controller-operator-history
- **controller_controls_operator:** Howery Rodney A → Shanne Coal Corp; 1988-02-08 to 1988-10-19; source msha-controller-operator-history
- **controller_controls_mine:** Kenneth L  Stacy → Mine No 4; 1988-06-07 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Shanne Coal Corp → Mine No 4; 1988-10-20 to 1989-03-21; source msha-controller-operator-history
- **controller_controls_mine:** Stacy Adam M → Mine No 4; 1988-10-20 to 1989-03-21; source msha-controller-operator-history
- **controller_controls_operator:** Stacy Adam M → Shanne Coal Corp; 1988-10-20 to 1989-03-21; source msha-controller-operator-history
- **operator_operates_mine:** Reco Mining Inc → Mine No 4; 1989-03-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth L  Stacy → Reco Mining Inc; 1989-03-22 to current/open; source msha-controller-operator-history