# Relationship history for MSHA mine 3102108

Current hierarchy: **John C Macfie; Carolyn S Macfie → Hoopers Creek Stone LLC → Hoopers Creek 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:** J R Stone Sales Inc → Hoopers Creek Quarry; 1995-03-01 to 2022-05-12; source msha-controller-operator-history
- **controller_controls_mine:** Junius D  Grimes → Hoopers Creek Quarry; 1995-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Junius D  Grimes → J R Stone Sales Inc; 1995-03-01 to 2022-05-12; source msha-controller-operator-history
- **operator_operates_mine:** Hoopers Creek Stone LLC → Hoopers Creek Quarry; 2022-05-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John C Macfie et al → Hoopers Creek Quarry; 2022-05-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John C Macfie et al → Hoopers Creek Stone LLC; 2022-05-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Carolyn S Macfie et al → Hoopers Creek Stone LLC; 2022-05-13 to current/open; source msha-controller-operator-history