# Relationship history for MSHA mine 1302252

Current hierarchy: **HBM Holdings Company → Calcium Products Inc. → S04 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:** Calcium Products Inc. → S04 Plant; 2000-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Larry E  Moore → S04 Plant; 2000-10-01 to 2013-03-28; source msha-controller-operator-history
- **controller_controls_operator:** Larry E  Moore → Calcium Products Inc.; 2000-10-01 to 2013-03-28; source msha-controller-operator-history
- **controller_controls_mine:** Calcium Holdings Inc → S04 Plant; 2013-03-29 to 2026-01-21; source msha-controller-operator-history
- **controller_controls_operator:** Calcium Holdings Inc → Calcium Products Inc.; 2013-03-29 to 2026-01-21; source msha-controller-operator-history
- **controller_controls_mine:** HBM Holdings Company → S04 Plant; 2026-01-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** HBM Holdings Company → Calcium Products Inc.; 2026-01-22 to current/open; source msha-controller-operator-history