# Relationship history for MSHA mine 1202219

Current hierarchy: **Gerald  Carr → Mc Cawith Energy Inc → Rainbow 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

- **operator_operates_mine:** Mc Cawith Energy Inc → Rainbow Mine; 1997-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Gerald  Carr et al → Rainbow Mine; 1997-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gerald  Carr et al → Mc Cawith Energy Inc; 1997-07-01 to current/open; source msha-controller-operator-history