# Relationship history for MSHA mine 4405004

Current hierarchy: **Roberts Kenes P Jr & Sr → Eastern Coal Company → No 3**

- 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:** Coleman Hufford-Mary Ruth Et Al → No 3; 1975-09-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Blue Chip Coal Corp → No 3; 1978-04-01 to 1978-07-17; source msha-controller-operator-history
- **controller_controls_operator:** Coleman Hufford-Mary Ruth Et Al → Blue Chip Coal Corp; 1978-04-01 to 1978-07-17; source msha-controller-operator-history
- **operator_operates_mine:** F & P Coal Company → No 3; 1978-07-18 to 1978-12-18; source msha-controller-operator-history
- **controller_controls_mine:** Foster Henry-Gertrude & Nancy--Joe Prater → No 3; 1978-07-18 to 1978-12-18; source msha-controller-operator-history
- **controller_controls_operator:** Foster Henry-Gertrude & Nancy--Joe Prater → F & P Coal Company; 1978-07-18 to 1978-12-18; source msha-controller-operator-history
- **operator_operates_mine:** Premium Coal Company Inc → No 3; 1978-12-19 to 1980-02-12; source msha-controller-operator-history
- **controller_controls_mine:** Stiltner Ricky → No 3; 1978-12-19 to 1980-02-12; source msha-controller-operator-history
- **controller_controls_operator:** Stiltner Ricky → Premium Coal Company Inc; 1978-12-19 to 1980-02-12; source msha-controller-operator-history
- **controller_controls_mine:** Justus John Henry → No 3; 1979-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Roberts Kenes P Jr & Sr → No 3; 1980-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** E & M Coal Company Inc → No 3; 1980-02-13 to 1980-06-12; source msha-controller-operator-history
- **controller_controls_operator:** Justus John Henry → E & M Coal Company Inc; 1980-02-13 to 1980-06-12; source msha-controller-operator-history
- **operator_operates_mine:** Eastern Coal Company → No 3; 1980-06-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Roberts Kenes P Jr & Sr → Eastern Coal Company; 1980-06-13 to current/open; source msha-controller-operator-history