# Relationship history for MSHA mine 1701034

Current hierarchy: **Holly  Whitmore; Richard  Whitmore → Whitmore Contracting Inc. → Frink Pit**

- 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:** Whitmore Contracting Inc. → Frink Pit; 2020-04-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Richard  Whitmore et al → Frink Pit; 2020-04-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Richard  Whitmore et al → Whitmore Contracting Inc.; 2020-04-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Holly  Whitmore et al → Whitmore Contracting Inc.; 2020-04-18 to current/open; source msha-controller-operator-history