# Relationship history for MSHA mine 3201005

Current hierarchy: **Charles Douglas  Bates; Peyton M  Canary → Above All Sand and Gravel → Mondak I**

- 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:** Above All Sand and Gravel → Mondak I; 2013-03-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Charles Douglas  Bates et al → Mondak I; 2013-03-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles Douglas  Bates et al → Above All Sand and Gravel; 2013-03-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Peyton M  Canary et al → Above All Sand and Gravel; 2013-03-25 to current/open; source msha-controller-operator-history
