# Relationship history for MSHA mine 3604782

Current hierarchy: **David D  Osikowicz Jr → Original Fuels Inc → Worthville Mine**

- 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:** M J Adams Coal Company → Worthville Mine; 1974-02-01 to 1979-07-08; source msha-controller-operator-history
- **controller_controls_mine:** Mervin J  Adams → Worthville Mine; 1974-02-01 to 1979-07-08; source msha-controller-operator-history
- **controller_controls_operator:** Mervin J  Adams → M J Adams Coal Company; 1974-02-01 to 1979-07-08; source msha-controller-operator-history
- **controller_controls_mine:** Charles R  Sheesley Sr → Worthville Mine; 1976-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cookport Coal Company Inc → Worthville Mine; 1979-07-09 to 1984-04-03; source msha-controller-operator-history
- **controller_controls_operator:** Charles R  Sheesley Sr → Cookport Coal Company Inc; 1979-07-09 to 1984-04-03; source msha-controller-operator-history
- **operator_operates_mine:** Original Fuels Inc → Worthville Mine; 1984-04-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** David D  Osikowicz Jr → Worthville Mine; 1984-04-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David D  Osikowicz Jr → Original Fuels Inc; 1984-04-04 to current/open; source msha-controller-operator-history