# Relationship history for MSHA mine 2003477

Current hierarchy: **Melissa  Delmont → M.J. VanDamme, Inc. → Farm 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:** M.J. VanDamme Inc → Farm Plant; 2013-06-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mike  VanDamme → Farm Plant; 2013-06-14 to 2015-12-05; source msha-controller-operator-history
- **controller_controls_operator:** Mike  VanDamme → M.J. VanDamme Inc; 2013-06-14 to 2015-12-05; source msha-controller-operator-history
- **controller_controls_mine:** Melissa  Delmont et al → Farm Plant; 2015-12-06 to 2017-08-29; source msha-controller-operator-history
- **controller_controls_operator:** Melissa  Delmont et al → M.J. VanDamme Inc; 2015-12-06 to 2017-08-29; source msha-controller-operator-history
- **controller_controls_operator:** James  Delmont et al → M.J. VanDamme Inc; 2015-12-06 to 2017-08-29; source msha-controller-operator-history
- **controller_controls_mine:** Melissa  Delmont → Farm Plant; 2017-08-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Melissa  Delmont → M.J. VanDamme Inc; 2017-08-30 to current/open; source msha-controller-operator-history
