# Relationship history for MSHA mine 3401922

Current hierarchy: **Fernando  Villanueva → Tiger Stone LLC → Panther Mountain Rock**

- 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:** Browne 1 → Panther Mountain Rock; 2004-01-08 to 2005-05-08; source msha-controller-operator-history
- **controller_controls_mine:** Clayton (Spanky)  Browne Jr → Panther Mountain Rock; 2004-01-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Clayton (Spanky)  Browne Jr → Browne 1; 2004-01-08 to 2005-05-08; source msha-controller-operator-history
- **operator_operates_mine:** Panther Mountain Rock → Panther Mountain Rock; 2005-05-09 to 2017-06-19; source msha-controller-operator-history
- **controller_controls_mine:** (Clayton) Spanky  Browne et al → Panther Mountain Rock; 2005-05-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** (Clayton) Spanky  Browne et al → Panther Mountain Rock; 2005-05-09 to 2017-06-19; source msha-controller-operator-history
- **controller_controls_operator:** Marvin  Cloud et al → Panther Mountain Rock; 2005-05-09 to 2017-06-19; source msha-controller-operator-history
- **operator_operates_mine:** Tiger Stone LLC → Panther Mountain Rock; 2017-06-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Fernando  Villanueva → Panther Mountain Rock; 2017-06-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Fernando  Villanueva → Tiger Stone LLC; 2017-06-20 to current/open; source msha-controller-operator-history