# Relationship history for MSHA mine 2902298

Current hierarchy: **Lynetta B  Richards; Greg L  Richards → Coyote Cliff LLC → Coyote Cliff #2**

- 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:** Coyote Cliff Co. → Coyote Cliff #2; 2005-11-10 to 2019-06-09; source msha-controller-operator-history
- **controller_controls_mine:** Greg L Richards → Coyote Cliff #2; 2005-11-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Greg L Richards → Coyote Cliff Co.; 2005-11-10 to 2019-06-09; source msha-controller-operator-history
- **operator_operates_mine:** Coyote Cliff LLC → Coyote Cliff #2; 2019-06-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Greg L  Richards et al → Coyote Cliff #2; 2019-06-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Greg L  Richards et al → Coyote Cliff LLC; 2019-06-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lynetta B  Richards et al → Coyote Cliff LLC; 2019-06-10 to current/open; source msha-controller-operator-history