# Relationship history for MSHA mine 2300706

Current hierarchy: **Covia Holdings LLC → Covia Solutions LLC → Pevely 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:** Bussen Quarries Inc → Pevely Plant; 1950-01-01 to 1990-04-30; source msha-controller-operator-history
- **controller_controls_mine:** Bussen Realty Co et al → Pevely Plant; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bussen Realty Co et al → Bussen Quarries Inc; 1950-01-01 to 1990-04-30; source msha-controller-operator-history
- **controller_controls_operator:** Missouri Gravel Co  et al → Bussen Quarries Inc; 1950-01-01 to 1990-04-30; source msha-controller-operator-history
- **controller_controls_mine:** S C R-Sibelco Nv et al → Pevely Plant; 1950-01-01 to 2020-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Bussen Quarries Inc → Pevely Plant; 1990-05-01 to 1990-06-14; source msha-controller-operator-history
- **controller_controls_mine:** Riverstone Group → Pevely Plant; 1990-05-01 to 2012-01-29; source msha-controller-operator-history
- **controller_controls_operator:** Riverstone Group → Bussen Quarries Inc; 1990-05-01 to 1990-06-14; source msha-controller-operator-history
- **operator_operates_mine:** Covia Solutions Inc. → Pevely Plant; 1990-06-15 to 2024-07-31; source msha-controller-operator-history
- **controller_controls_operator:** S C R-Sibelco Nv et al → Covia Solutions Inc.; 1990-06-15 to 2020-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Riverstone Group et al → Pevely Plant; 2012-01-30 to 2022-10-19; source msha-controller-operator-history
- **controller_controls_operator:** Riverstone Group et al → Bussen Quarries Inc; 2012-01-30 to 1990-06-14; source msha-controller-operator-history
- **controller_controls_operator:** Bussen Quarries Inc et al → Bussen Quarries Inc; 2012-01-30 to 1990-06-14; source msha-controller-operator-history
- **controller_controls_mine:** Covia Holdings LLC → Pevely Plant; 2021-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Covia Holdings LLC → Covia Solutions Inc.; 2021-01-01 to 2024-07-31; source msha-controller-operator-history
- **controller_controls_mine:** Riverstone Group → Pevely Plant; 2022-10-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Riverstone Group → Bussen Quarries Inc; 2022-10-20 to 1990-06-14; source msha-controller-operator-history
- **operator_operates_mine:** Covia Solutions LLC → Pevely Plant; 2024-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Covia Holdings LLC → Pevely Plant; 2024-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Covia Holdings LLC → Covia Solutions LLC; 2024-08-01 to current/open; source msha-controller-operator-history