# Relationship history for MSHA mine 1401699

Current hierarchy: **Ronald L  Jueneman; Denae M  Jueneman → R.L. Jueneman Construction, Inc. → Glacier Hills Quarry**

- 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:** Edwards' Quarry & Trucking, LLC → Glacier Hills Quarry; 2009-01-09 to 2025-08-31; source msha-controller-operator-history
- **controller_controls_mine:** Brenda K  Edwards et al → Glacier Hills Quarry; 2009-01-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brenda K  Edwards et al → Edwards' Quarry & Trucking, LLC; 2009-01-09 to 2025-08-31; source msha-controller-operator-history
- **controller_controls_operator:** John R  Edwards et al → Edwards' Quarry & Trucking, LLC; 2009-01-09 to 2025-08-31; source msha-controller-operator-history
- **operator_operates_mine:** R.L. Jueneman Construction, Inc. → Glacier Hills Quarry; 2025-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Denae M  Jueneman et al → Glacier Hills Quarry; 2025-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Denae M  Jueneman et al → R.L. Jueneman Construction, Inc.; 2025-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ronald L  Jueneman et al → R.L. Jueneman Construction, Inc.; 2025-09-01 to current/open; source msha-controller-operator-history