# Relationship history for MSHA mine 4608718

Current hierarchy: **Patriot Coal Corporation → Catenary Coal Company → Cc #5**

- 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 → Cc #5; 1989-08-01 to 2005-12-30; source msha-controller-operator-history
- **operator_operates_mine:** Catenary Coal Company → Cc #5; 1998-05-01 to 1998-07-27; source msha-controller-operator-history
- **controller_controls_operator:** Ashland Inc et al → Catenary Coal Company; 1998-05-01 to 1998-07-27; source msha-controller-operator-history
- **operator_operates_mine:** 3-D Management Services Inc → Cc #5; 1998-07-28 to 2001-07-26; source msha-controller-operator-history
- **controller_controls_mine:** Wendell R  Bias et al → Cc #5; 1998-07-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Wendell R  Bias et al → 3-D Management Services Inc; 1998-07-28 to 2001-07-26; source msha-controller-operator-history
- **operator_operates_mine:** Catenary Coal Company → Cc #5; 2001-07-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ashland Inc et al → Catenary Coal Company; 2001-07-27 to 2005-12-30; source msha-controller-operator-history
- **controller_controls_mine:** Magnum Coal Company → Cc #5; 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 1998-07-27; source msha-controller-operator-history
- **controller_controls_operator:** Magnum Coal Company → Catenary Coal Company; 2005-12-31 to 2008-07-22; source msha-controller-operator-history
- **controller_controls_mine:** Patriot Coal Corporation → Cc #5; 2008-07-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patriot Coal Corporation → Catenary Coal Company; 2008-07-23 to 1998-07-27; source msha-controller-operator-history
- **controller_controls_operator:** Patriot Coal Corporation → Catenary Coal Company; 2008-07-23 to current/open; source msha-controller-operator-history