# Relationship history for MSHA mine 1701154

Current hierarchy: **Justin  Loveitt → Chase Excavating Inc. → Quarry  One**

- 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

- **controller_controls_mine:** DAVID  CHASE → Quarry  One; 2002-06-18 to 2019-04-30; source msha-controller-operator-history
- **controller_controls_mine:** Justin  Loveitt → Quarry  One; 2019-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Chase Excavating Inc. → Quarry  One; 2025-04-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** DAVID  CHASE → Chase Excavating Inc.; 2025-04-17 to 2019-04-30; source msha-controller-operator-history
- **controller_controls_operator:** Justin  Loveitt → Chase Excavating Inc.; 2025-04-17 to current/open; source msha-controller-operator-history