# Relationship history for MSHA mine 4105416

Current hierarchy: **Scott  Spinella → Bluebonnet Materials, LLC → Hidalgo Falls Plant**

- 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:** Bluebonnet Materials, LLC → Hidalgo Falls Plant; 2019-03-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John G  Kissane et al → Hidalgo Falls Plant; 2019-03-06 to 2025-01-26; source msha-controller-operator-history
- **controller_controls_operator:** John G  Kissane et al → Bluebonnet Materials, LLC; 2019-03-06 to 2025-01-26; source msha-controller-operator-history
- **controller_controls_operator:** Scott  Spinella et al → Bluebonnet Materials, LLC; 2019-03-06 to 2025-01-26; source msha-controller-operator-history
- **controller_controls_mine:** Scott  Spinella → Hidalgo Falls Plant; 2025-01-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott  Spinella → Bluebonnet Materials, LLC; 2025-01-27 to current/open; source msha-controller-operator-history