# Relationship history for MSHA mine 4202268

Current hierarchy: **Gary  Applegate; Byron  Christiansen → Wildcat Mountain Resources → BROWN SUGAR 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:** Wildcat Mountain Resources → BROWN SUGAR MINE; 1999-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Gary  Applegate et al → BROWN SUGAR MINE; 1999-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gary  Applegate et al → Wildcat Mountain Resources; 1999-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Byron  Christiansen et al → Wildcat Mountain Resources; 1999-08-01 to current/open; source msha-controller-operator-history