# Relationship history for MSHA mine 3100136

Current hierarchy: **Judith H  Johnson; Jeffrey V  Goodman → Carolina Stalite Company → Carolina Stalite Company-Stalite Mill**

- 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:** Carolina Stalite Company → Carolina Stalite Company-Stalite Mill; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Frances H  Johnson  et al → Carolina Stalite Company-Stalite Mill; 1950-01-01 to 2016-09-25; source msha-controller-operator-history
- **controller_controls_operator:** Frances H  Johnson  et al → Carolina Stalite Company; 1950-01-01 to 2016-09-25; source msha-controller-operator-history
- **controller_controls_mine:** Judith H  Johnson et al → Carolina Stalite Company-Stalite Mill; 2016-09-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Judith H  Johnson et al → Carolina Stalite Company; 2016-09-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeffrey V  Goodman et al → Carolina Stalite Company; 2016-09-26 to current/open; source msha-controller-operator-history