# Relationship history for MSHA mine 5100270

Current hierarchy: **John F  Metzler; Joni J  Metzler → Mahukona Ranch LLC → Mahukona Ranch mobile crusher**

- 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:** Mahukona Ranch LLC → Mahukona Ranch mobile crusher; 2011-01-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Joni J  Metzler et al → Mahukona Ranch mobile crusher; 2011-01-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joni J  Metzler et al → Mahukona Ranch LLC; 2011-01-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John F  Metzler et al → Mahukona Ranch LLC; 2011-01-04 to current/open; source msha-controller-operator-history