# Relationship history for MSHA mine 4404740

Current hierarchy: **Fuller Richard → F & J Coal Corp → 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

- **operator_operates_mine:** Capps Mining Inc → No 1; 1977-05-01 to 1979-03-04; source msha-controller-operator-history
- **controller_controls_mine:** Capps James → No 1; 1977-05-01 to 1979-03-04; source msha-controller-operator-history
- **controller_controls_operator:** Capps James → Capps Mining Inc; 1977-05-01 to 1979-03-04; source msha-controller-operator-history
- **controller_controls_mine:** Deel Thomas G & Bill → No 1; 1978-06-29 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** H N & P Coal Company Inc → No 1; 1979-03-05 to 1979-10-24; source msha-controller-operator-history
- **controller_controls_mine:** Hagy George → No 1; 1979-03-05 to 1979-10-24; source msha-controller-operator-history
- **controller_controls_operator:** Hagy George → H N & P Coal Company Inc; 1979-03-05 to 1979-10-24; source msha-controller-operator-history
- **operator_operates_mine:** Big Four Coal Corp → No 1; 1979-10-25 to 1980-11-02; source msha-controller-operator-history
- **controller_controls_operator:** Deel Thomas G & Bill → Big Four Coal Corp; 1979-10-25 to 1980-11-02; source msha-controller-operator-history
- **operator_operates_mine:** F & J Coal Corp → No 1; 1980-11-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Fuller Richard → No 1; 1980-11-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Fuller Richard → F & J Coal Corp; 1980-11-03 to current/open; source msha-controller-operator-history