# Relationship history for MSHA mine 4103512

Current hierarchy: **Third Brick LLC → BC3B Salado Operations, LLC → Salado USA Pit II**

- 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  Culp  et al → Salado USA Pit II; 1986-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Culp Stone Company → Salado USA Pit II; 1988-02-01 to 1994-02-28; source msha-controller-operator-history
- **controller_controls_operator:** Richard  Culp  et al → Culp Stone Company; 1988-02-01 to 1994-02-28; source msha-controller-operator-history
- **operator_operates_mine:** C & T Stone → Salado USA Pit II; 1994-03-01 to 2006-12-18; source msha-controller-operator-history
- **controller_controls_mine:** Tom F  Wood Jr → Salado USA Pit II; 1994-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tom F  Wood Jr → C & T Stone; 1994-03-01 to 2006-12-18; source msha-controller-operator-history
- **controller_controls_mine:** RLF Salado Properties LLC → Salado USA Pit II; 2006-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** RLF Salado Quarries, LLC → Salado USA Pit II; 2006-12-19 to 2019-12-05; source msha-controller-operator-history
- **controller_controls_operator:** RLF Salado Properties LLC → RLF Salado Quarries, LLC; 2006-12-19 to 2019-12-05; source msha-controller-operator-history
- **controller_controls_mine:** Wayne  Patterson → Salado USA Pit II; 2016-07-22 to 2021-03-21; source msha-controller-operator-history
- **operator_operates_mine:** Salado Operations LLC → Salado USA Pit II; 2019-12-06 to 2025-02-20; source msha-controller-operator-history
- **controller_controls_operator:** Wayne  Patterson → Salado Operations LLC; 2019-12-06 to 2021-03-21; source msha-controller-operator-history
- **controller_controls_mine:** Dos Rios Partners, LP et al → Salado USA Pit II; 2021-03-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dos Rios Partners, LP et al → Salado Operations LLC; 2021-03-22 to 2025-02-20; source msha-controller-operator-history
- **controller_controls_operator:** Main Street Equity Interests Inc et al → Salado Operations LLC; 2021-03-22 to 2025-02-20; source msha-controller-operator-history
- **controller_controls_operator:** Dos Rios Partners - A, LP et al → Salado Operations LLC; 2021-03-22 to 2025-02-20; source msha-controller-operator-history
- **operator_operates_mine:** BC3B Salado Operations, LLC → Salado USA Pit II; 2025-02-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Third Brick LLC → Salado USA Pit II; 2025-02-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Third Brick LLC → BC3B Salado Operations, LLC; 2025-02-21 to current/open; source msha-controller-operator-history