# Relationship history for MSHA mine 0801285

Current hierarchy: **Jeff  Davis → Florida One Farms Llc → OMEGA MINING**

- 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

- **operator_operates_mine:** Omega Mining → OMEGA MINING; 2000-04-01 to 2001-06-27; source msha-controller-operator-history
- **controller_controls_mine:** Michael R Arnold → OMEGA MINING; 2000-04-01 to 2001-06-27; source msha-controller-operator-history
- **controller_controls_operator:** Michael R Arnold → Omega Mining; 2000-04-01 to 2001-06-27; source msha-controller-operator-history
- **operator_operates_mine:** Florida One Farms Llc → OMEGA MINING; 2001-06-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jeff  Davis → OMEGA MINING; 2001-06-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeff  Davis → Florida One Farms Llc; 2001-06-28 to current/open; source msha-controller-operator-history