# Relationship history for MSHA mine 1518196

Current hierarchy: **John H  Parton → Parton Bros. Contracting Inc. → Highsplint**

- 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:** John H  Parton → Highsplint; 1997-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** High Splint Coal Llc → Highsplint; 1999-09-01 to 2003-02-19; source msha-controller-operator-history
- **controller_controls_mine:** Cumberland Resources Corporation → Highsplint; 1999-09-01 to 2010-04-18; source msha-controller-operator-history
- **controller_controls_operator:** Cumberland Resources Corporation → High Splint Coal Llc; 1999-09-01 to 2003-02-19; source msha-controller-operator-history
- **operator_operates_mine:** Lakeway Mining Incorporated → Highsplint; 2003-02-20 to 2003-10-21; source msha-controller-operator-history
- **controller_controls_mine:** Jackie (Mitch)  Fannin Et Al → Highsplint; 2003-02-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jackie (Mitch)  Fannin Et Al → Lakeway Mining Incorporated; 2003-02-20 to 2003-10-21; source msha-controller-operator-history
- **controller_controls_operator:** Jack  Stump Et Al → Lakeway Mining Incorporated; 2003-02-20 to 2003-10-21; source msha-controller-operator-history
- **operator_operates_mine:** Parton Bros. Contracting Inc. → Highsplint; 2003-10-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John H  Parton → Parton Bros. Contracting Inc.; 2003-10-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Massey Energy Company → Highsplint; 2010-04-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → High Splint Coal Llc; 2010-04-19 to 2003-02-19; source msha-controller-operator-history