# Relationship history for MSHA mine 0505153

Current hierarchy: **Premier Stone LLC → Colorado Quarry 1, LLC → Meadow Hollow 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:** Holliday Construction Materials LLC → Meadow Hollow Quarry; 2022-07-04 to 2025-07-08; source msha-controller-operator-history
- **controller_controls_mine:** John E Holliday → Meadow Hollow Quarry; 2022-07-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John E Holliday → Holliday Construction Materials LLC; 2022-07-04 to 2025-07-08; source msha-controller-operator-history
- **operator_operates_mine:** Colorado Quarry 1, LLC → Meadow Hollow Quarry; 2025-07-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Premier Stone LLC → Meadow Hollow Quarry; 2025-07-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Premier Stone LLC → Colorado Quarry 1, LLC; 2025-07-09 to current/open; source msha-controller-operator-history