# Relationship history for MSHA mine 4700215

Current hierarchy: **Eden Stone Co LLC → Valders Stone & Marble, LLC → Manitowoc County Quarries**

- 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:** 4 X Corp → Manitowoc County Quarries; 1950-01-01 to 1985-03-16; source msha-controller-operator-history
- **controller_controls_mine:** David  Courtney Jr  et al → Manitowoc County Quarries; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David  Courtney Jr  et al → 4 X Corp; 1950-01-01 to 1985-03-16; source msha-controller-operator-history
- **controller_controls_operator:** Charles  Plummer  et al → 4 X Corp; 1950-01-01 to 1985-03-16; source msha-controller-operator-history
- **operator_operates_mine:** Valders Stone & Marble Inc → Manitowoc County Quarries; 1985-03-17 to 1992-06-28; source msha-controller-operator-history
- **controller_controls_mine:** Eugene G  Rosenthal → Manitowoc County Quarries; 1985-03-17 to 1992-06-28; source msha-controller-operator-history
- **controller_controls_operator:** Eugene G  Rosenthal → Valders Stone & Marble Inc; 1985-03-17 to 1992-06-28; source msha-controller-operator-history
- **operator_operates_mine:** Valders Stone & Marble, LLC → Manitowoc County Quarries; 1992-06-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** William  Gesell et al → Manitowoc County Quarries; 1992-06-29 to 2023-06-27; source msha-controller-operator-history
- **controller_controls_operator:** William  Gesell et al → Valders Stone & Marble, LLC; 1992-06-29 to 2023-06-27; source msha-controller-operator-history
- **controller_controls_mine:** EVS Master Holdco LLC → Manitowoc County Quarries; 2023-06-28 to 2025-04-08; source msha-controller-operator-history
- **controller_controls_operator:** EVS Master Holdco LLC → Valders Stone & Marble, LLC; 2023-06-28 to 2025-04-08; source msha-controller-operator-history
- **controller_controls_mine:** Eden Stone Co LLC → Manitowoc County Quarries; 2025-04-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eden Stone Co LLC → Valders Stone & Marble, LLC; 2025-04-09 to current/open; source msha-controller-operator-history