# Relationship history for MSHA mine 3000056

Current hierarchy: **William J  Hadeka; Adolph A  Hadeka → A.A. Hadeka Materials LLC → Red Quarry**

- 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:** Hadeka Stone Corp → Red Quarry; 1950-01-01 to 2025-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Gerald A  Hadeka  et al → Red Quarry; 1950-01-01 to 2026-03-30; source msha-controller-operator-history
- **controller_controls_operator:** Gerald A  Hadeka  et al → Hadeka Stone Corp; 1950-01-01 to 2025-09-30; source msha-controller-operator-history
- **controller_controls_operator:** William J  Hadeka  et al → Hadeka Stone Corp; 1950-01-01 to 2025-09-30; source msha-controller-operator-history
- **operator_operates_mine:** A.A. Hadeka Materials LLC → Red Quarry; 2025-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** William J  Hadeka et al → Red Quarry; 2025-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William J  Hadeka et al → A.A. Hadeka Materials LLC; 2025-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Adolph A  Hadeka et al → A.A. Hadeka Materials LLC; 2025-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Gerald A Hadeka et al → Red Quarry; 2026-03-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gerald A Hadeka et al → Hadeka Stone Corp; 2026-03-31 to 2025-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Mary Beth  Hadeka et al → Hadeka Stone Corp; 2026-03-31 to 2025-09-30; source msha-controller-operator-history