# Relationship history for MSHA mine 0102398

Current hierarchy: **Hubert Lamar  Sikes → S & S Materials Inc → Beers Pit**

- 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:** Metzger Cletus → Beers Pit; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Waverly Sand & Gravel → Beers Pit; 1981-10-01 to 1983-09-12; source msha-controller-operator-history
- **controller_controls_operator:** Metzger Cletus → Waverly Sand & Gravel; 1981-10-01 to 1983-09-12; source msha-controller-operator-history
- **operator_operates_mine:** S & S Materials Inc → Beers Pit; 1983-09-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Hubert Lamar  Sikes → Beers Pit; 1983-09-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hubert Lamar  Sikes → S & S Materials Inc; 1983-09-13 to current/open; source msha-controller-operator-history