# Relationship history for MSHA mine 4609317

Current hierarchy: **Gene  Ricciardi; Joel  Cornfield → West Virginia Coal Reclamation Company, LLC → Bottom Creek Refuse Reprocessing Site**

- 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:** Hazzard's Excavating & Trucking Company → Bottom Creek Refuse Reprocessing Site; 2008-10-27 to 2011-07-31; source msha-controller-operator-history
- **controller_controls_mine:** Samuel C Hazzard Jr → Bottom Creek Refuse Reprocessing Site; 2008-10-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Samuel C Hazzard Jr → Hazzard's Excavating & Trucking Company; 2008-10-27 to 2011-07-31; source msha-controller-operator-history
- **operator_operates_mine:** Hazzard's Excavating & Trucking Company → Bottom Creek Refuse Reprocessing Site; 2011-08-01 to 2011-08-09; source msha-controller-operator-history
- **controller_controls_mine:** Walter  Stokes III → Bottom Creek Refuse Reprocessing Site; 2011-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Walter  Stokes III → Hazzard's Excavating & Trucking Company; 2011-08-01 to 2011-08-09; source msha-controller-operator-history
- **operator_operates_mine:** Hazzard's Excavating & Trucking Company → Bottom Creek Refuse Reprocessing Site; 2011-08-10 to 2014-05-04; source msha-controller-operator-history
- **controller_controls_operator:** Samuel C Hazzard Jr → Hazzard's Excavating & Trucking Company; 2011-08-10 to 2014-05-04; source msha-controller-operator-history
- **operator_operates_mine:** West Virginia Coal Reclamation Company, LLC → Bottom Creek Refuse Reprocessing Site; 2014-05-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Gene  Ricciardi et al → Bottom Creek Refuse Reprocessing Site; 2014-05-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gene  Ricciardi et al → West Virginia Coal Reclamation Company, LLC; 2014-05-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joel  Cornfield et al → West Virginia Coal Reclamation Company, LLC; 2014-05-05 to current/open; source msha-controller-operator-history