# Relationship history for MSHA mine 2602469

Current hierarchy: **Cheryl  Followell → Moltan Company → EMPIRE MINE**

- 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:** Cheryl  Followell et al → EMPIRE MINE; 1991-10-30 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Moltan Company → EMPIRE MINE; 2001-10-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cheryl  Followell et al → Moltan Company; 2001-10-10 to current/open; source msha-controller-operator-history