# Relationship history for MSHA mine 4801184

Current hierarchy: **Harry  Moberly → Mc Garvin-Moberly Construction Company → Mc Garvin-Moberly Construction Company**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Richard  Gilpatrick → Mc Garvin-Moberly Construction Company; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Harry  Moberly et al → Mc Garvin-Moberly Construction Company; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Gilpatrick Construction Company Inc → Mc Garvin-Moberly Construction Company; 1978-03-09 to 1981-04-27; source msha-controller-operator-history
- **controller_controls_operator:** Richard  Gilpatrick → Gilpatrick Construction Company Inc; 1978-03-09 to 1981-04-27; source msha-controller-operator-history
- **operator_operates_mine:** Mc Garvin-Moberly Construction Company → Mc Garvin-Moberly Construction Company; 1981-04-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Harry  Moberly et al → Mc Garvin-Moberly Construction Company; 1981-04-28 to current/open; source msha-controller-operator-history