# Relationship history for MSHA mine 1103186

Current hierarchy: **Daniel R Plote → Beverly Materials LLC → Belvidere 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

- **controller_controls_mine:** Daniel R Plote → Belvidere Quarry; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Belvidere Materials LLC → Belvidere Quarry; 2007-12-04 to 2020-08-18; source msha-controller-operator-history
- **controller_controls_mine:** Daniel R Plote → Belvidere Quarry; 2007-12-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniel R Plote → Belvidere Materials LLC; 2007-12-04 to 2020-08-18; source msha-controller-operator-history
- **operator_operates_mine:** Beverly Materials LLC → Belvidere Quarry; 2020-08-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniel R Plote → Beverly Materials LLC; 2020-08-19 to current/open; source msha-controller-operator-history