# Relationship history for MSHA mine 4201855

Current hierarchy: **Jason  Holliday; Cole  Holliday → Holliday Construction Inc → Holliday Crusher**

- 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:** Jerry Holliday Construction → Holliday Crusher; 1983-10-01 to 2001-07-29; source msha-controller-operator-history
- **controller_controls_mine:** Jerry Holliday Construction → Holliday Crusher; 1983-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jerry Holliday Construction → Jerry Holliday Construction; 1983-10-01 to 2001-07-29; source msha-controller-operator-history
- **controller_controls_mine:** Joey  Holliday et al → Holliday Crusher; 2001-01-01 to 2016-08-23; source msha-controller-operator-history
- **operator_operates_mine:** Holliday Construction Inc → Holliday Crusher; 2001-07-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joey  Holliday et al → Holliday Construction Inc; 2001-07-30 to 2016-08-23; source msha-controller-operator-history
- **controller_controls_mine:** Jason  Holliday et al → Holliday Crusher; 2016-08-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jason  Holliday et al → Holliday Construction Inc; 2016-08-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cole  Holliday et al → Holliday Construction Inc; 2016-08-24 to current/open; source msha-controller-operator-history