# Relationship history for MSHA mine 1515609

Current hierarchy: **Dennis  Johnson → Appalachian Mining & Reclamation LLC → Red Bud Dock 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

- **operator_operates_mine:** Ashland Materials Inc → Red Bud Dock No. 1; 1986-05-01 to 1990-02-14; source msha-controller-operator-history
- **controller_controls_mine:** Jerry  Woodall → Red Bud Dock No. 1; 1986-05-01 to 1990-02-14; source msha-controller-operator-history
- **controller_controls_operator:** Jerry  Woodall → Ashland Materials Inc; 1986-05-01 to 1990-02-14; source msha-controller-operator-history
- **operator_operates_mine:** Ashland Materials Inc → Red Bud Dock No. 1; 1990-02-15 to 1995-02-20; source msha-controller-operator-history
- **controller_controls_mine:** Rag Aktiengesellschaft → Red Bud Dock No. 1; 1990-02-15 to 1995-02-20; source msha-controller-operator-history
- **controller_controls_operator:** Rag Aktiengesellschaft → Ashland Materials Inc; 1990-02-15 to 1995-02-20; source msha-controller-operator-history
- **operator_operates_mine:** Kenwest Terminals → Red Bud Dock No. 1; 1995-02-21 to 2008-07-08; source msha-controller-operator-history
- **controller_controls_mine:** Hatfield & Sons Of WV Inc → Red Bud Dock No. 1; 1995-02-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hatfield & Sons Of WV Inc → Kenwest Terminals; 1995-02-21 to 2008-07-08; source msha-controller-operator-history
- **operator_operates_mine:** Red Bud Dock, LLC → Red Bud Dock No. 1; 2008-07-09 to 2013-01-28; source msha-controller-operator-history
- **controller_controls_mine:** Roger L  Kirk et al → Red Bud Dock No. 1; 2008-07-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Roger L  Kirk et al → Red Bud Dock, LLC; 2008-07-09 to 2013-01-28; source msha-controller-operator-history
- **controller_controls_operator:** Chris  Frye et al → Red Bud Dock, LLC; 2008-07-09 to 2013-01-28; source msha-controller-operator-history
- **operator_operates_mine:** Appalachian Mining & Reclamation LLC → Red Bud Dock No. 1; 2013-01-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Dennis  Johnson → Red Bud Dock No. 1; 2013-01-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dennis  Johnson → Appalachian Mining & Reclamation LLC; 2013-01-29 to current/open; source msha-controller-operator-history