# Relationship history for MSHA mine 3800294

Current hierarchy: **Jeffrey  Goodman → Cumberland Gravel and Sand Company → Pageland Sand Co Inc**

- 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:** Jeffrey  Goodman et al → Pageland Sand Co Inc; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Horton Sand Company → Pageland Sand Co Inc; 1950-01-01 to 1983-03-14; source msha-controller-operator-history
- **controller_controls_mine:** Horton C E → Pageland Sand Co Inc; 1950-01-01 to 1983-03-14; source msha-controller-operator-history
- **controller_controls_operator:** Horton C E → Horton Sand Company; 1950-01-01 to 1983-03-14; source msha-controller-operator-history
- **operator_operates_mine:** Pageland Sand Company Inc → Pageland Sand Co Inc; 1983-03-15 to 2024-02-08; source msha-controller-operator-history
- **controller_controls_mine:** Kathryn  King et al → Pageland Sand Co Inc; 1983-03-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kathryn  King et al → Pageland Sand Company Inc; 1983-03-15 to 2024-02-08; source msha-controller-operator-history
- **controller_controls_operator:** Burchell  King et al → Pageland Sand Company Inc; 1983-03-15 to 2024-02-08; source msha-controller-operator-history
- **operator_operates_mine:** Cumberland Gravel and Sand Company → Pageland Sand Co Inc; 2024-02-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeffrey  Goodman et al → Cumberland Gravel and Sand Company; 2024-02-09 to current/open; source msha-controller-operator-history