# Relationship history for MSHA mine 4700146

Current hierarchy: **Carmeuse Holding SA → Carmeuse Lime and Stone, Inc → Manitowoc Plant**

- 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:** Rockwell Lime Company → Manitowoc Plant; 1950-01-01 to 2006-07-24; source msha-controller-operator-history
- **controller_controls_mine:** Donald R  Brisch et al → Manitowoc Plant; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Donald R  Brisch et al → Rockwell Lime Company; 1950-01-01 to 2006-07-24; source msha-controller-operator-history
- **controller_controls_mine:** Carmeuse Holding SA → Manitowoc Plant; 1997-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lafarge SA → Manitowoc Plant; 2002-06-20 to 2015-07-14; source msha-controller-operator-history
- **operator_operates_mine:** Carmeuse Lime Inc → Manitowoc Plant; 2006-07-25 to 2010-10-13; source msha-controller-operator-history
- **controller_controls_operator:** Carmeuse Holding SA → Carmeuse Lime Inc; 2006-07-25 to 2010-10-13; source msha-controller-operator-history
- **operator_operates_mine:** Carmeuse Lime and Stone, Inc → Manitowoc Plant; 2010-10-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lafarge SA → Carmeuse Lime and Stone, Inc; 2010-10-14 to 2015-07-14; source msha-controller-operator-history
- **controller_controls_operator:** Carmeuse Holding SA → Carmeuse Lime and Stone, Inc; 2010-10-14 to 2015-07-14; source msha-controller-operator-history
- **controller_controls_mine:** Carmeuse Holding SA → Manitowoc Plant; 2015-07-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Carmeuse Holding SA → Carmeuse Lime and Stone, Inc; 2015-07-15 to current/open; source msha-controller-operator-history