# Relationship history for MSHA mine 3608249

Current hierarchy: **J Clifford  Forrest III → Rosebud Mining Company → Bearcreek #1**

- 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

- **controller_controls_mine:** J Clifford  Forrest III → Bearcreek #1; 1979-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** A F Budge Mining Ltd → Bearcreek #1; 1982-12-23 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Rosebud Mining Company → Bearcreek #1; 1991-04-01 to 1993-12-13; source msha-controller-operator-history
- **controller_controls_operator:** A F Budge Mining Ltd → Rosebud Mining Company; 1991-04-01 to 1993-12-13; source msha-controller-operator-history
- **operator_operates_mine:** Rosebud Mining Company → Bearcreek #1; 1993-12-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** J Clifford  Forrest III → Rosebud Mining Company; 1993-12-14 to current/open; source msha-controller-operator-history