# Relationship history for MSHA mine 0600681

Current hierarchy: **Thomas R  Haynes → Haynes Materials Company → Oxford Town Center LLC**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Haynes Construction Company → Oxford Town Center LLC; 1999-12-01 to 2004-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Thomas R  Haynes et al → Oxford Town Center LLC; 1999-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Thomas R  Haynes et al → Haynes Construction Company; 1999-12-01 to 2004-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Paul J  Haynes et al → Haynes Construction Company; 1999-12-01 to 2004-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Thomas R  Haynes et al → Oxford Town Center LLC; 2003-07-01 to 2018-01-09; source msha-controller-operator-history
- **operator_operates_mine:** Haynes Materials Company → Oxford Town Center LLC; 2004-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Thomas R  Haynes et al → Haynes Materials Company; 2004-10-01 to 2018-01-09; source msha-controller-operator-history
- **controller_controls_operator:** Paul J  Haynes et al → Haynes Materials Company; 2004-10-01 to 2018-01-09; source msha-controller-operator-history
- **controller_controls_mine:** Thomas R  Haynes → Oxford Town Center LLC; 2018-01-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Thomas R  Haynes → Haynes Materials Company; 2018-01-10 to current/open; source msha-controller-operator-history