# Relationship history for MSHA mine 2800994

Current hierarchy: **CRH PLC → Tilcon New York, Inc. → Landing 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:** M & M Stone Company New Jersey → Landing Quarry; 1994-01-01 to 2002-05-22; source msha-controller-operator-history
- **controller_controls_mine:** Brian L  Carpenter → Landing Quarry; 1994-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brian L  Carpenter → M & M Stone Company New Jersey; 1994-01-01 to 2002-05-22; source msha-controller-operator-history
- **controller_controls_mine:** CRH PLC → Landing Quarry; 1996-09-09 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Bedrock Quarry Materials LLC → Landing Quarry; 2002-05-23 to 2006-02-20; source msha-controller-operator-history
- **controller_controls_mine:** Ellen  Fiore  et al → Landing Quarry; 2002-05-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ellen  Fiore  et al → Bedrock Quarry Materials LLC; 2002-05-23 to 2006-02-20; source msha-controller-operator-history
- **controller_controls_operator:** Janice  Fiore  et al → Bedrock Quarry Materials LLC; 2002-05-23 to 2006-02-20; source msha-controller-operator-history
- **operator_operates_mine:** Tilcon New York, Inc. → Landing Quarry; 2006-02-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CRH PLC → Tilcon New York, Inc.; 2006-02-21 to current/open; source msha-controller-operator-history