# Relationship history for MSHA mine 4608999

Current hierarchy: **Anthony P  Cline → S E L A H  Corporation → Mine 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

- **controller_controls_mine:** Ashland Inc et al → Mine No 1; 1989-08-01 to 2005-12-30; source msha-controller-operator-history
- **operator_operates_mine:** Catenary Coal Company → Mine No 1; 2003-07-18 to 2003-11-05; source msha-controller-operator-history
- **controller_controls_operator:** Ashland Inc et al → Catenary Coal Company; 2003-07-18 to 2003-11-05; source msha-controller-operator-history
- **operator_operates_mine:** S E L A H  Corporation → Mine No 1; 2003-11-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Anthony P  Cline → Mine No 1; 2003-11-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Anthony P  Cline → S E L A H  Corporation; 2003-11-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Magnum Coal Company → Mine No 1; 2005-12-31 to 2008-07-22; source msha-controller-operator-history
- **controller_controls_operator:** Magnum Coal Company → Catenary Coal Company; 2005-12-31 to 2003-11-05; source msha-controller-operator-history
- **controller_controls_mine:** Patriot Coal Corporation → Mine No 1; 2008-07-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patriot Coal Corporation → Catenary Coal Company; 2008-07-23 to 2003-11-05; source msha-controller-operator-history
