# Relationship history for MSHA mine 4003400

Current hierarchy: **Michael Dustin  Long → Long Excavating and Hauling LLC → Long Excavating and Hauling LLC**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Lester D  Piercy et al → Long Excavating and Hauling LLC; 2010-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Goins Hollow Quarry LLC → Long Excavating and Hauling LLC; 2011-05-16 to 2014-04-20; source msha-controller-operator-history
- **controller_controls_operator:** Lester D  Piercy et al → Goins Hollow Quarry LLC; 2011-05-16 to 2014-04-20; source msha-controller-operator-history
- **operator_operates_mine:** Long Excavating and Hauling LLC → Long Excavating and Hauling LLC; 2014-04-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Michael Dustin  Long → Long Excavating and Hauling LLC; 2014-04-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael Dustin  Long → Long Excavating and Hauling LLC; 2014-04-21 to current/open; source msha-controller-operator-history