# Relationship history for MSHA mine 4406703

Current hierarchy: **Carmeuse Holding SA → Global Stone James River → UNDERGROUND MINE**

- 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

- **controller_controls_mine:** James River Limestone Company Inc → UNDERGROUND MINE; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** James River Limestone Company Inc → UNDERGROUND MINE; 1992-07-01 to 1996-06-28; source msha-controller-operator-history
- **controller_controls_operator:** James River Limestone Company Inc → James River Limestone Company Inc; 1992-07-01 to 1996-06-28; source msha-controller-operator-history
- **operator_operates_mine:** Global Stone James River → UNDERGROUND MINE; 1996-06-29 to 1998-06-21; source msha-controller-operator-history
- **controller_controls_mine:** Global Stone Corp → UNDERGROUND MINE; 1996-06-29 to 1998-06-21; source msha-controller-operator-history
- **controller_controls_operator:** Global Stone Corp → Global Stone James River; 1996-06-29 to 1998-06-21; source msha-controller-operator-history
- **operator_operates_mine:** Global Stone James River → UNDERGROUND MINE; 1998-06-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Oglebay Norton Company → UNDERGROUND MINE; 1998-06-22 to 2008-02-12; source msha-controller-operator-history
- **controller_controls_operator:** Oglebay Norton Company → Global Stone James River; 1998-06-22 to 2008-02-12; source msha-controller-operator-history
- **controller_controls_mine:** Carmeuse Holding SA → UNDERGROUND MINE; 2008-02-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Carmeuse Holding SA → Global Stone James River; 2008-02-13 to current/open; source msha-controller-operator-history