# Relationship history for MSHA mine 3201004

Current hierarchy: **Jody  Woodward; Casey  Brazell → True Grit Construction → Screener1**

- 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:** True Grit Construction → Screener1; 2013-04-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jody  Woodward et al → Screener1; 2013-04-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jody  Woodward et al → True Grit Construction; 2013-04-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Casey  Brazell et al → True Grit Construction; 2013-04-03 to current/open; source msha-controller-operator-history