# Relationship history for MSHA mine 5400167

Current hierarchy: **Felipe  Frias → Atlantic Marble Corp → ATLANTIC MARBLE 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:** Marmoles El Rey Inc → ATLANTIC MARBLE QUARRY; 1950-01-01 to 1988-07-27; source msha-controller-operator-history
- **controller_controls_mine:** Benny Rivera  Rodriguez → ATLANTIC MARBLE QUARRY; 1950-01-01 to 1988-07-27; source msha-controller-operator-history
- **controller_controls_operator:** Benny Rivera  Rodriguez → Marmoles El Rey Inc; 1950-01-01 to 1988-07-27; source msha-controller-operator-history
- **operator_operates_mine:** Marmoles Vassco Inc → ATLANTIC MARBLE QUARRY; 1988-07-28 to 1995-05-07; source msha-controller-operator-history
- **controller_controls_mine:** Efrain D  Vassallo → ATLANTIC MARBLE QUARRY; 1988-07-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Efrain D  Vassallo → Marmoles Vassco Inc; 1988-07-28 to 1995-05-07; source msha-controller-operator-history
- **operator_operates_mine:** Atlantic Marble Corp → ATLANTIC MARBLE QUARRY; 1995-05-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Felipe  Frias → ATLANTIC MARBLE QUARRY; 1995-05-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Felipe  Frias → Atlantic Marble Corp; 1995-05-08 to current/open; source msha-controller-operator-history