# Relationship history for MSHA mine 1518557

Current hierarchy: **GNTT Holdings LLC → L. R. Chapman, Inc. → L. R. Chapman Pits**

- 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:** L. R. Chapman, Inc. → L. R. Chapman Pits; 2002-03-31 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Suellen  Trunnell → L. R. Chapman Pits; 2002-03-31 to 2005-08-22; source msha-controller-operator-history
- **controller_controls_operator:** Suellen  Trunnell → L. R. Chapman, Inc.; 2002-03-31 to 2005-08-22; source msha-controller-operator-history
- **controller_controls_mine:** Cristco Midland Group LLC → L. R. Chapman Pits; 2005-08-23 to 2016-07-15; source msha-controller-operator-history
- **controller_controls_operator:** Cristco Midland Group LLC → L. R. Chapman, Inc.; 2005-08-23 to 2016-07-15; source msha-controller-operator-history
- **controller_controls_mine:** GNTT Holdings LLC → L. R. Chapman Pits; 2016-07-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** GNTT Holdings LLC → L. R. Chapman, Inc.; 2016-07-16 to current/open; source msha-controller-operator-history