# Relationship history for MSHA mine 2302087

Current hierarchy: **Richard Lee Cash; Brad  Sparr; Sherrie Ann Cash; Anthony  Wallace → VLC Aggregates Inc. → VLC Aggregates Inc.**

- 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:** Richard  Cash → VLC Aggregates Inc.; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lead Belt Materials Company Inc → VLC Aggregates Inc.; 1993-01-01 to 2022-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Richard  Cash → Lead Belt Materials Company Inc; 1993-01-01 to 2022-12-31; source msha-controller-operator-history
- **operator_operates_mine:** VLC Aggregates Inc. → VLC Aggregates Inc.; 2023-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Brad  Sparr et al → VLC Aggregates Inc.; 2023-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brad  Sparr et al → VLC Aggregates Inc.; 2023-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Anthony  Wallace et al → VLC Aggregates Inc.; 2023-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Richard Lee Cash et al → VLC Aggregates Inc.; 2023-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sherrie Ann Cash et al → VLC Aggregates Inc.; 2023-01-01 to current/open; source msha-controller-operator-history