# Relationship history for MSHA mine 1901203

Current hierarchy: **Daniel R  Meehan; James E  Meehan → Meehan  Properties Inc. → Meehan Properties, Inc**

- 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

- **operator_operates_mine:** Meehan  Properties Inc. → Meehan Properties, Inc; 2010-10-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James E  Meehan et al → Meehan Properties, Inc; 2010-10-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James E  Meehan et al → Meehan  Properties Inc.; 2010-10-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniel R  Meehan et al → Meehan  Properties Inc.; 2010-10-19 to current/open; source msha-controller-operator-history