# Relationship history for MSHA mine 4103717

Current hierarchy: **Suzanne  Arnold; John  Schuler → Maverick Materials, LLC → Maverick Materials 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

- **operator_operates_mine:** Maverick Materials, LLC → Maverick Materials LLC; 1992-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John  Schuler et al → Maverick Materials LLC; 1992-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John  Schuler et al → Maverick Materials, LLC; 1992-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Suzanne  Arnold et al → Maverick Materials, LLC; 1992-03-01 to current/open; source msha-controller-operator-history