# Relationship history for MSHA mine 0405096

Current hierarchy: **Lyle  Tullis → Tullis, Inc. → Crystal Creek Aggregates**

- 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:** Lyle  Tullis → Crystal Creek Aggregates; 1988-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Crystal Creek Aggregate Inc → Crystal Creek Aggregates; 1990-05-01 to 2021-09-12; source msha-controller-operator-history
- **controller_controls_mine:** Jerry D  Comingdeer → Crystal Creek Aggregates; 1990-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jerry D  Comingdeer → Crystal Creek Aggregate Inc; 1990-05-01 to 2021-09-12; source msha-controller-operator-history
- **operator_operates_mine:** Tullis, Inc. → Crystal Creek Aggregates; 2021-09-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lyle  Tullis → Tullis, Inc.; 2021-09-13 to current/open; source msha-controller-operator-history
