# Relationship history for MSHA mine 1701107

Current hierarchy: **Nathan D Holyoke; Jesse  Holyoke → Holyoke Construction, Inc. → Garland Road 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:** Holyoke Construction, Inc. → Garland Road Pit; 2023-11-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Nathan D Holyoke et al → Garland Road Pit; 2023-11-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nathan D Holyoke et al → Holyoke Construction, Inc.; 2023-11-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jesse  Holyoke et al → Holyoke Construction, Inc.; 2023-11-06 to current/open; source msha-controller-operator-history