# Relationship history for MSHA mine 3610400

Current hierarchy: **Tamara L  Fetterolf; Gregory T  Fetterolf → WHITE HORSE ENERGY, LLC → NEW SUMMIT**

- 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:** Gregory T  Fetterolf et al → NEW SUMMIT; 2014-06-13 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** KNICKERBOCKER LEASING, LLC → NEW SUMMIT; 2022-07-15 to 2022-11-08; source msha-controller-operator-history
- **controller_controls_mine:** John W  Rich et al → NEW SUMMIT; 2022-07-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John W  Rich et al → KNICKERBOCKER LEASING, LLC; 2022-07-15 to 2022-11-08; source msha-controller-operator-history
- **operator_operates_mine:** WHITE HORSE ENERGY, LLC → NEW SUMMIT; 2022-11-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gregory T  Fetterolf et al → WHITE HORSE ENERGY, LLC; 2022-11-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tamara L  Fetterolf et al → WHITE HORSE ENERGY, LLC; 2022-11-09 to current/open; source msha-controller-operator-history