# Relationship history for MSHA mine 3003225

Current hierarchy: **Michael T  Saunders → Binghamton Ready Mix → Lisle 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Taylor Readimix Inc → Lisle Pit; 1998-07-01 to 2001-10-24; source msha-controller-operator-history
- **controller_controls_mine:** Michael J  Taylor → Lisle Pit; 1998-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael J  Taylor → Taylor Readimix Inc; 1998-07-01 to 2001-10-24; source msha-controller-operator-history
- **operator_operates_mine:** Binghamton Ready Mix → Lisle Pit; 2001-10-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Michael T  Saunders → Lisle Pit; 2001-10-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael T  Saunders → Binghamton Ready Mix; 2001-10-25 to current/open; source msha-controller-operator-history