# Relationship history for MSHA mine 3002653

Current hierarchy: **Barbara  Penaluna; Richard  Penaluna → Dick'S Concrete Company Inc → SPRING GLEN 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Barbara  Penaluna et al → SPRING GLEN PIT; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Spring Glen Sand & Gravel Company → SPRING GLEN PIT; 1984-06-01 to 1999-05-19; source msha-controller-operator-history
- **controller_controls_mine:** Herbert H  Budd → SPRING GLEN PIT; 1984-06-01 to 1999-05-19; source msha-controller-operator-history
- **controller_controls_operator:** Herbert H  Budd → Spring Glen Sand & Gravel Company; 1984-06-01 to 1999-05-19; source msha-controller-operator-history
- **operator_operates_mine:** Dick'S Concrete Company Inc → SPRING GLEN PIT; 1999-05-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Barbara  Penaluna et al → Dick'S Concrete Company Inc; 1999-05-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Richard  Penaluna et al → Dick'S Concrete Company Inc; 1999-05-20 to current/open; source msha-controller-operator-history