# Relationship history for MSHA mine 2301694

Current hierarchy: **Jerry Wayne Morgan → Morgan & White Quarries Inc → Leadwood Plant**

- 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:** Rogers Stone Company Inc → Leadwood Plant; 1978-03-09 to 1984-02-13; source msha-controller-operator-history
- **controller_controls_mine:** James D  Rogers → Leadwood Plant; 1978-03-09 to 1984-02-13; source msha-controller-operator-history
- **controller_controls_operator:** James D  Rogers → Rogers Stone Company Inc; 1978-03-09 to 1984-02-13; source msha-controller-operator-history
- **operator_operates_mine:** Rogers Stone Company Inc → Leadwood Plant; 1984-02-14 to 1987-11-30; source msha-controller-operator-history
- **controller_controls_mine:** Charles S  Papayik → Leadwood Plant; 1984-02-14 to 1987-11-30; source msha-controller-operator-history
- **controller_controls_operator:** Charles S  Papayik → Rogers Stone Company Inc; 1984-02-14 to 1987-11-30; source msha-controller-operator-history
- **operator_operates_mine:** Morgan & White Quarries Inc → Leadwood Plant; 1987-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jerry Wayne Morgan et al → Leadwood Plant; 1987-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jerry Wayne Morgan et al → Morgan & White Quarries Inc; 1987-12-01 to current/open; source msha-controller-operator-history
