# Relationship history for MSHA mine 4105571

Current hierarchy: **DYLAN AND LEIGH-ADELLA BRANSOM REVOCABLE TRUST → Trophy Materials LLC → 919 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:** Trophy Materials LLC → 919 Pit; 2021-07-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** DYLAN AND LEIGH-ADELLA BRANSOM REVOCABLE TRUST → 919 Pit; 2021-07-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** DYLAN AND LEIGH-ADELLA BRANSOM REVOCABLE TRUST → Trophy Materials LLC; 2021-07-12 to current/open; source msha-controller-operator-history