# Relationship history for MSHA mine 5001651

Current hierarchy: **Agnes  Hendrickson; Mike  Hendrickson → Hendrickson Exploration & Mining Llc → Fall Creek Mine/Skeen Lechner**

- 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:** Hendrickson Exploration & Mining Llc → Fall Creek Mine/Skeen Lechner; 1999-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mike  Hendrickson et al → Fall Creek Mine/Skeen Lechner; 1999-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mike  Hendrickson et al → Hendrickson Exploration & Mining Llc; 1999-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Agnes  Hendrickson et al → Hendrickson Exploration & Mining Llc; 1999-06-01 to current/open; source msha-controller-operator-history