# Relationship history for MSHA mine 4104309

Current hierarchy: **James  Riebe → James Riebe Construction → RIEBE PIT**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** James Riebe Construction → RIEBE PIT; 2001-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James  Riebe → RIEBE PIT; 2001-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James  Riebe → James Riebe Construction; 2001-08-01 to current/open; source msha-controller-operator-history
