# Relationship history for MSHA mine 1519880

Current hierarchy: **Geoff  Coady → Low Vol Coal, LLC → Huff Br. #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:** Charles  Collins → Huff Br. #1; 2013-06-27 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** JRC Mining, Inc. → Huff Br. #1; 2020-02-21 to 2026-08-25; source msha-controller-operator-history
- **controller_controls_operator:** Charles  Collins → JRC Mining, Inc.; 2020-02-21 to 2026-08-25; source msha-controller-operator-history
- **controller_controls_mine:** Geoff  Coady → Huff Br. #1; 2026-07-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Low Vol Coal, LLC → Huff Br. #1; 2026-08-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Geoff  Coady → Low Vol Coal, LLC; 2026-08-26 to current/open; source msha-controller-operator-history