# Relationship history for MSHA mine 2302397

Current hierarchy: **Anthony J Konya → Missouri Materials LLC → Granby 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

- **controller_controls_mine:** Joseph L  Parker Jr → Granby Quarry; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** William H  Fullerton → Granby Quarry; 1950-01-01 to 2009-05-18; source msha-controller-operator-history
- **operator_operates_mine:** Fullerton Stone Co Inc → Granby Quarry; 2009-05-19 to 2013-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Cindia Ann  Ortloff → Granby Quarry; 2009-05-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cindia Ann  Ortloff → Fullerton Stone Co Inc; 2009-05-19 to 2013-03-31; source msha-controller-operator-history
- **controller_controls_operator:** William H  Fullerton → Fullerton Stone Co Inc; 2009-05-19 to 2009-05-18; source msha-controller-operator-history
- **operator_operates_mine:** Anchor Stone Company → Granby Quarry; 2013-04-01 to 2024-02-19; source msha-controller-operator-history
- **controller_controls_operator:** Joseph L  Parker Jr → Anchor Stone Company; 2013-04-01 to 2024-02-19; source msha-controller-operator-history
- **controller_controls_mine:** Anthony J Konya → Granby Quarry; 2023-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Missouri Materials LLC → Granby Quarry; 2024-02-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Anthony J Konya → Missouri Materials LLC; 2024-02-20 to current/open; source msha-controller-operator-history