# Relationship history for MSHA mine 1601112

Current hierarchy: **Jesse E  Rogers → Jessie Rogers Gravel Product → Jacobson 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

- **controller_controls_mine:** Jesse E  Rogers → Jacobson Plant; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Jessie Rogers Gravel Product → Jacobson Plant; 1986-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jesse E  Rogers → Jessie Rogers Gravel Product; 1986-10-01 to current/open; source msha-controller-operator-history