# Relationship history for MSHA mine 3102387

Current hierarchy: **Phillip W Harrington → Bear Garden, Inc. → Pitts Chapel Mine #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: 2026-10-31T05:30:38.571947+00:00

## Valid-time edges

- **operator_operates_mine:** Bear Garden, Inc. → Pitts Chapel Mine #2; 2026-10-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Phillip W Harrington → Pitts Chapel Mine #2; 2026-10-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Phillip W Harrington → Bear Garden, Inc.; 2026-10-14 to current/open; source msha-controller-operator-history