# Relationship history for MSHA mine 1513050

Current hierarchy: **Daugherty Ervin → Peter Creek Mining Company → 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:** E H Hatfield Enterprises → No 1; 1981-08-01 to 1983-12-12; source msha-controller-operator-history
- **controller_controls_mine:** Hatfield Woodrow-Ermel Et Al → No 1; 1981-08-01 to 1993-02-22; source msha-controller-operator-history
- **controller_controls_operator:** Hatfield Woodrow-Ermel Et Al → E H Hatfield Enterprises; 1981-08-01 to 1983-12-12; source msha-controller-operator-history
- **operator_operates_mine:** Dad & Son Coal Company Inc → No 1; 1983-12-13 to 1984-07-02; source msha-controller-operator-history
- **controller_controls_mine:** Gooslin Julia Et Al → No 1; 1983-12-13 to 1984-07-02; source msha-controller-operator-history
- **controller_controls_operator:** Gooslin Julia Et Al → Dad & Son Coal Company Inc; 1983-12-13 to 1984-07-02; source msha-controller-operator-history
- **operator_operates_mine:** Black Panther Energy Resources Inc → No 1; 1984-07-03 to 1985-01-01; source msha-controller-operator-history
- **controller_controls_mine:** Dotson Eddie Jr → No 1; 1984-07-03 to 1985-01-01; source msha-controller-operator-history
- **controller_controls_operator:** Dotson Eddie Jr → Black Panther Energy Resources Inc; 1984-07-03 to 1985-01-01; source msha-controller-operator-history
- **operator_operates_mine:** Peter Creek Mining Company → No 1; 1985-01-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Daugherty Ervin → No 1; 1985-01-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daugherty Ervin → Peter Creek Mining Company; 1985-01-02 to current/open; source msha-controller-operator-history
