# Relationship history for MSHA mine 4605995

Current hierarchy: **Mepco Intermediate Holdings, LLC → Coresco LLC → Preparation Plant No 1**

- 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

- **operator_operates_mine:** Laurita Energy Corp → Preparation Plant No 1; 1979-05-01 to 2000-03-31; source msha-controller-operator-history
- **controller_controls_mine:** James L  Laurita → Preparation Plant No 1; 1979-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James L  Laurita → Laurita Energy Corp; 1979-05-01 to 2000-03-31; source msha-controller-operator-history
- **controller_controls_mine:** James L  Laurita Jr  et al → Preparation Plant No 1; 1998-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Coresco Inc → Preparation Plant No 1; 2000-04-01 to 2008-08-18; source msha-controller-operator-history
- **controller_controls_operator:** James L  Laurita Jr  et al → Coresco Inc; 2000-04-01 to 2008-08-18; source msha-controller-operator-history
- **controller_controls_operator:** Thomas A  Laurita  et al → Coresco Inc; 2000-04-01 to 2008-08-18; source msha-controller-operator-history
- **controller_controls_mine:** James L  Laurita Jr  et al → Preparation Plant No 1; 2008-02-26 to 2013-11-09; source msha-controller-operator-history
- **operator_operates_mine:** Coresco LLC → Preparation Plant No 1; 2008-08-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James L  Laurita Jr  et al → Coresco LLC; 2008-08-19 to 2013-11-09; source msha-controller-operator-history
- **controller_controls_operator:** GenPower Holdings LP  et al → Coresco LLC; 2008-08-19 to 2013-11-09; source msha-controller-operator-history
- **controller_controls_mine:** Mepco Intermediate Holdings, LLC → Preparation Plant No 1; 2013-11-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mepco Intermediate Holdings, LLC → Coresco LLC; 2013-11-10 to current/open; source msha-controller-operator-history