# Relationship history for MSHA mine 1001983

Current hierarchy: **AVCO Holdings LLC → Avail Valley Construction-ID, LLC → The 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:** Alta Construction → The Crusher; 2000-07-01 to 2006-10-23; source msha-controller-operator-history
- **controller_controls_mine:** Mark  Melehes → The Crusher; 2000-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mark  Melehes → Alta Construction; 2000-07-01 to 2006-10-23; source msha-controller-operator-history
- **operator_operates_mine:** Owen-PC Construction → The Crusher; 2006-10-24 to 2014-10-31; source msha-controller-operator-history
- **controller_controls_mine:** David  Owen → The Crusher; 2006-10-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David  Owen → Owen-PC Construction; 2006-10-24 to 2014-10-31; source msha-controller-operator-history
- **operator_operates_mine:** Avail Valley Construction-ID, LLC → The Crusher; 2014-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cara  Mulder et al → The Crusher; 2014-11-01 to 2020-05-17; source msha-controller-operator-history
- **controller_controls_operator:** Cara  Mulder et al → Avail Valley Construction-ID, LLC; 2014-11-01 to 2020-05-17; source msha-controller-operator-history
- **controller_controls_operator:** Mike  Mulder et al → Avail Valley Construction-ID, LLC; 2014-11-01 to 2020-05-17; source msha-controller-operator-history
- **controller_controls_mine:** AVCO Holdings LLC → The Crusher; 2020-05-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** AVCO Holdings LLC → Avail Valley Construction-ID, LLC; 2020-05-18 to current/open; source msha-controller-operator-history