# Relationship history for MSHA mine 4605460

Current hierarchy: **Jeffrey A  Goldizen → United Coals Inc → Mcwhorter #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

- **controller_controls_mine:** Cleghorn Robert B Jr → Mcwhorter #2; 1950-01-01 to 1984-07-08; source msha-controller-operator-history
- **operator_operates_mine:** Lecco Inc → Mcwhorter #2; 1977-04-01 to 1984-07-08; source msha-controller-operator-history
- **controller_controls_operator:** Cleghorn Robert B Jr → Lecco Inc; 1977-04-01 to 1984-07-08; source msha-controller-operator-history
- **controller_controls_mine:** Franklin R  Sutton et al → Mcwhorter #2; 1979-02-01 to 2007-04-04; source msha-controller-operator-history
- **operator_operates_mine:** United Coals Inc → Mcwhorter #2; 1984-07-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Franklin R  Sutton et al → United Coals Inc; 1984-07-09 to 2007-04-04; source msha-controller-operator-history
- **controller_controls_operator:** (Charles) Ralph  Sutton et al → United Coals Inc; 1984-07-09 to 2007-04-04; source msha-controller-operator-history
- **controller_controls_mine:** Jeffrey A  Goldizen → Mcwhorter #2; 2007-04-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeffrey A  Goldizen → United Coals Inc; 2007-04-05 to current/open; source msha-controller-operator-history