# Relationship history for MSHA mine 1505238

Current hierarchy: **Hugh M  Caperton → Dominion Energy Sales Inc → Belfry #2**

- 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:** Dunavant Coal Company → Belfry #2; 1974-01-01 to 1978-04-03; source msha-controller-operator-history
- **controller_controls_mine:** Dunavant Enterprises Inc → Belfry #2; 1974-01-01 to 1978-04-03; source msha-controller-operator-history
- **controller_controls_operator:** Dunavant Enterprises Inc → Dunavant Coal Company; 1974-01-01 to 1978-04-03; source msha-controller-operator-history
- **controller_controls_mine:** United  Company → Belfry #2; 1977-09-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Belfry Coal Corp → Belfry #2; 1978-04-04 to 1991-01-23; source msha-controller-operator-history
- **controller_controls_operator:** United  Company → Belfry Coal Corp; 1978-04-04 to 1991-01-23; source msha-controller-operator-history
- **operator_operates_mine:** Dominion Energy Sales Inc → Belfry #2; 1991-01-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Hugh M  Caperton → Belfry #2; 1991-01-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hugh M  Caperton → Dominion Energy Sales Inc; 1991-01-24 to current/open; source msha-controller-operator-history