# Relationship history for MSHA mine 4001574

Current hierarchy: **Carmeuse Holding SA → Carmeuse Lime & Stone → Chesney Surface**

- 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:** Luttrell Mining Company Inc → Chesney Surface; 1950-01-01 to 1983-06-21; source msha-controller-operator-history
- **controller_controls_mine:** Preston Carroll Enterprises Inc → Chesney Surface; 1950-01-01 to 1984-09-03; source msha-controller-operator-history
- **controller_controls_operator:** Preston Carroll Enterprises Inc → Luttrell Mining Company Inc; 1950-01-01 to 1983-06-21; source msha-controller-operator-history
- **operator_operates_mine:** Blue Ridge Mining Company Inc → Chesney Surface; 1983-06-22 to 1991-02-28; source msha-controller-operator-history
- **controller_controls_mine:** Morrison Knudsen Corp (Old) → Chesney Surface; 1983-06-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Morrison Knudsen Corp (Old) → Blue Ridge Mining Company Inc; 1983-06-22 to 1991-02-28; source msha-controller-operator-history
- **controller_controls_mine:** Penn Virginia Corp → Chesney Surface; 1988-09-15 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Tenn Luttrell Company → Chesney Surface; 1991-03-01 to 1993-10-20; source msha-controller-operator-history
- **controller_controls_operator:** Penn Virginia Corp → Tenn Luttrell Company; 1991-03-01 to 1993-10-20; source msha-controller-operator-history
- **operator_operates_mine:** Global Stone Tenn Luttrell Company → Chesney Surface; 1993-10-21 to 1998-06-21; source msha-controller-operator-history
- **controller_controls_mine:** Global Stone Corp → Chesney Surface; 1993-10-21 to 1998-06-21; source msha-controller-operator-history
- **controller_controls_operator:** Global Stone Corp → Global Stone Tenn Luttrell Company; 1993-10-21 to 1998-06-21; source msha-controller-operator-history
- **operator_operates_mine:** Carmeuse Lime & Stone → Chesney Surface; 1998-06-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Oglebay Norton Company → Chesney Surface; 1998-06-22 to 2008-02-12; source msha-controller-operator-history
- **controller_controls_operator:** Oglebay Norton Company → Carmeuse Lime & Stone; 1998-06-22 to 2008-02-12; source msha-controller-operator-history
- **controller_controls_mine:** Carmeuse Holding SA → Chesney Surface; 2008-02-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Carmeuse Holding SA → Carmeuse Lime & Stone; 2008-02-13 to current/open; source msha-controller-operator-history