# Relationship history for MSHA mine 4801825

Current hierarchy: **Clayton  Collingwood → River Rock, LLC → Capwood Properties**

- 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:** River Rock, LLC → Capwood Properties; 2019-04-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Clayton  Collingwood → Capwood Properties; 2019-04-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Clayton  Collingwood → River Rock, LLC; 2019-04-24 to current/open; source msha-controller-operator-history