# Relationship history for MSHA mine 1519424

Current hierarchy: **Alliance Resource Partners LP → Rough Creek Mining, LLC → Riveredge Mine**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** West Kentucky Energy Company → Riveredge Mine; 2009-08-07 to 2012-05-01; source msha-controller-operator-history
- **controller_controls_mine:** Massey Energy Company → Riveredge Mine; 2009-08-07 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → West Kentucky Energy Company; 2009-08-07 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → Riveredge Mine; 2011-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → West Kentucky Energy Company; 2011-06-01 to 2012-05-01; source msha-controller-operator-history
- **operator_operates_mine:** Pennyrile Energy LLC → Riveredge Mine; 2012-05-02 to 2020-04-12; source msha-controller-operator-history
- **controller_controls_mine:** Rhino Resource Partners LP → Riveredge Mine; 2012-05-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rhino Resource Partners LP → Pennyrile Energy LLC; 2012-05-02 to 2020-04-12; source msha-controller-operator-history
- **controller_controls_mine:** Alliance Resource Partners LP → Riveredge Mine; 2015-02-03 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Rough Creek Mining, LLC → Riveredge Mine; 2020-04-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alliance Resource Partners LP → Rough Creek Mining, LLC; 2020-04-13 to current/open; source msha-controller-operator-history