# Relationship history for MSHA mine 4609282

Current hierarchy: **Philip T  Lambert → Lo Down Energy, Inc. → Tralee Mine No. 1**

- 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:** Alpha Natural Resources, Inc. → Tralee Mine No. 1; 2004-09-21 to 2016-07-25; source msha-controller-operator-history
- **operator_operates_mine:** Riverside Energy Company, LLC → Tralee Mine No. 1; 2008-05-29 to 2009-12-15; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Riverside Energy Company, LLC; 2008-05-29 to 2009-12-15; source msha-controller-operator-history
- **operator_operates_mine:** Lo Down Energy, Inc. → Tralee Mine No. 1; 2009-12-16 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jerry  Stacy → Tralee Mine No. 1; 2009-12-16 to 2018-01-22; source msha-controller-operator-history
- **controller_controls_operator:** Jerry  Stacy → Lo Down Energy, Inc.; 2009-12-16 to 2018-01-22; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources Holdings, Inc → Tralee Mine No. 1; 2016-07-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Riverside Energy Company, LLC; 2016-07-26 to 2009-12-15; source msha-controller-operator-history
- **controller_controls_mine:** Philip T  Lambert → Tralee Mine No. 1; 2018-01-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Philip T  Lambert → Lo Down Energy, Inc.; 2018-01-23 to current/open; source msha-controller-operator-history