# Relationship history for MSHA mine 2103657

Current hierarchy: **Chris  Reilly; Justin  Lechtenberg → Reilly Construction Company Inc → Portable Plant #6**

- 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:** Robert  Reilly → Portable Plant #6; 1996-01-01 to 2026-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Reilly Construction Company Inc → Portable Plant #6; 2009-01-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert  Reilly → Reilly Construction Company Inc; 2009-01-30 to 2026-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Justin  Lechtenberg et al → Portable Plant #6; 2026-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Justin  Lechtenberg et al → Reilly Construction Company Inc; 2026-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Chris  Reilly et al → Reilly Construction Company Inc; 2026-06-01 to current/open; source msha-controller-operator-history