# Relationship history for MSHA mine 2302412

Current hierarchy: **William P  Moore III; Philip E  Tearney → Continental Coal, Inc. → Island 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

- **controller_controls_mine:** Philip E  Tearney  et al → Island Pit; 1995-09-11 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Continental Coal, Inc. → Island Pit; 2010-10-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Philip E  Tearney  et al → Continental Coal, Inc.; 2010-10-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William P  Moore III  et al → Continental Coal, Inc.; 2010-10-22 to current/open; source msha-controller-operator-history