# Relationship history for MSHA mine 1401786

Current hierarchy: **Pam  Martin; Austin D Martin → Rubble Reprocessing LLC → Rubble Reprocessing LLC**

- 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

- **controller_controls_mine:** Austin D Martin et al → Rubble Reprocessing LLC; 2016-02-17 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Rubble Reprocessing LLC → Rubble Reprocessing LLC; 2017-05-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Austin D Martin et al → Rubble Reprocessing LLC; 2017-05-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pam  Martin et al → Rubble Reprocessing LLC; 2017-05-10 to current/open; source msha-controller-operator-history