# Relationship history for MSHA mine 4606556

Current hierarchy: **Mepco Intermediate Holdings, LLC → Coresco LLC → River Terminal**

- 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:** Jolaco → River Terminal; 1982-06-01 to 1999-12-31; source msha-controller-operator-history
- **controller_controls_mine:** James L  Laurita → River Terminal; 1982-06-01 to 1999-12-31; source msha-controller-operator-history
- **controller_controls_operator:** James L  Laurita → Jolaco; 1982-06-01 to 1999-12-31; source msha-controller-operator-history
- **controller_controls_mine:** James L  Laurita Jr  et al → River Terminal; 1998-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Coresco Inc → River Terminal; 2000-01-01 to 2014-02-02; source msha-controller-operator-history
- **controller_controls_operator:** James L  Laurita Jr  et al → Coresco Inc; 2000-01-01 to 2014-02-02; source msha-controller-operator-history
- **controller_controls_operator:** Thomas A  Laurita  et al → Coresco Inc; 2000-01-01 to 2014-02-02; source msha-controller-operator-history
- **controller_controls_mine:** James L  Laurita Jr  et al → River Terminal; 2008-02-26 to 2013-11-09; source msha-controller-operator-history
- **controller_controls_mine:** Mepco Intermediate Holdings, LLC → River Terminal; 2013-11-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Coresco LLC → River Terminal; 2014-02-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James L  Laurita Jr  et al → Coresco LLC; 2014-02-03 to 2013-11-09; source msha-controller-operator-history
- **controller_controls_operator:** GenPower Holdings LP  et al → Coresco LLC; 2014-02-03 to 2013-11-09; source msha-controller-operator-history
- **controller_controls_operator:** Mepco Intermediate Holdings, LLC → Coresco LLC; 2014-02-03 to current/open; source msha-controller-operator-history