# Relationship history for MSHA mine 1002240

Current hierarchy: **CCI  (Clyde Companies Inc) → Suncore Construction and Materials, Inc. → Badger pit**

- 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

- **controller_controls_mine:** CCI  (Clyde Companies Inc) → Badger pit; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** C & A Paving Co → Badger pit; 2013-08-23 to 2016-10-02; source msha-controller-operator-history
- **controller_controls_mine:** Brian  Callahan et al → Badger pit; 2013-08-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brian  Callahan et al → C & A Paving Co; 2013-08-23 to 2016-10-02; source msha-controller-operator-history
- **operator_operates_mine:** Suncore Construction and Materials, Inc. → Badger pit; 2016-10-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CCI  (Clyde Companies Inc) → Suncore Construction and Materials, Inc.; 2016-10-03 to current/open; source msha-controller-operator-history