# Relationship history for MSHA mine 4003545

Current hierarchy: **Ryan Incorporated Mining; Bryan Joseph Glover; Arthur Lawrence Baker → Panther Enterprises, LLC → Panther Enterprises Quarry**

- 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:** Panther Enterprises, LLC → Panther Enterprises Quarry; 2021-01-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ryan Incorporated Mining et al → Panther Enterprises Quarry; 2021-01-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ryan Incorporated Mining et al → Panther Enterprises, LLC; 2021-01-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Arthur Lawrence Baker et al → Panther Enterprises, LLC; 2021-01-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bryan Joseph Glover et al → Panther Enterprises, LLC; 2021-01-03 to current/open; source msha-controller-operator-history