# Relationship history for MSHA mine 0302086

Current hierarchy: **David  Wells → Pine Ridge Crystals LLC → Pine Ridge Crystals**

- 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:** Pine Ridge Crystals LLC → Pine Ridge Crystals; 2023-12-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James Alan  Hicks et al → Pine Ridge Crystals; 2023-12-14 to 2025-08-21; source msha-controller-operator-history
- **controller_controls_operator:** James Alan  Hicks et al → Pine Ridge Crystals LLC; 2023-12-14 to 2025-08-21; source msha-controller-operator-history
- **controller_controls_operator:** Morena Dawn  Hicks et al → Pine Ridge Crystals LLC; 2023-12-14 to 2025-08-21; source msha-controller-operator-history
- **controller_controls_mine:** David  Wells → Pine Ridge Crystals; 2025-08-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David  Wells → Pine Ridge Crystals LLC; 2025-08-22 to current/open; source msha-controller-operator-history