# Relationship history for MSHA mine 1519749

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

- 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:** Rhino Resource Partners LP → Riveredge Surface Operation; 2012-05-02 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Pennyrile Energy, LLC → Riveredge Surface Operation; 2014-06-10 to 2020-04-12; source msha-controller-operator-history
- **controller_controls_operator:** Rhino Resource Partners LP → Pennyrile Energy, LLC; 2014-06-10 to 2020-04-12; source msha-controller-operator-history
- **controller_controls_mine:** Alliance Resource Partners LP → Riveredge Surface Operation; 2015-02-03 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Rough Creek Mining, LLC → Riveredge Surface Operation; 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