# Relationship history for MSHA mine 0103591

Current hierarchy: **Halston G Carter → GRAYSON CARTER AND SON CONTRACTING, INC. → GUM POND 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:** Reed Materials LLC → GUM POND QUARRY; 2023-11-13 to 2024-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Ashley Morgan Reed et al → GUM POND QUARRY; 2023-11-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ashley Morgan Reed et al → Reed Materials LLC; 2023-11-13 to 2024-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Chastin  Reed et al → Reed Materials LLC; 2023-11-13 to 2024-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Grayson Carter and Son Contracting, Inc. → GUM POND QUARRY; 2024-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Halston G Carter → GUM POND QUARRY; 2024-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Halston G Carter → Grayson Carter and Son Contracting, Inc.; 2024-10-01 to current/open; source msha-controller-operator-history
