# Relationship history for MSHA mine 4102547

Current hierarchy: **Arcosa, Inc → Arcosa Aggregates Texas, LLC → Rye Plant 1144**

- 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:** Smith Material Corp Of Beaumont → Rye Plant 1144; 1950-01-01 to 1991-11-30; source msha-controller-operator-history
- **controller_controls_mine:** B Curtis  Smith → Rye Plant 1144; 1950-01-01 to 1992-06-30; source msha-controller-operator-history
- **controller_controls_operator:** B Curtis  Smith → Smith Material Corp Of Beaumont; 1950-01-01 to 1991-11-30; source msha-controller-operator-history
- **operator_operates_mine:** Arcosa Aggregates, Inc. → Rye Plant 1144; 1991-12-01 to 2022-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Trinity Industries Inc → Rye Plant 1144; 1991-12-01 to 2018-10-31; source msha-controller-operator-history
- **controller_controls_operator:** Trinity Industries Inc → Arcosa Aggregates, Inc.; 1991-12-01 to 2018-10-31; source msha-controller-operator-history
- **controller_controls_mine:** Arcosa, Inc → Rye Plant 1144; 2018-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Arcosa, Inc → Arcosa Aggregates, Inc.; 2018-11-01 to 2022-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Arcosa Aggregates Texas, LLC → Rye Plant 1144; 2023-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Arcosa, Inc → Rye Plant 1144; 2023-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Arcosa, Inc → Arcosa Aggregates Texas, LLC; 2023-01-01 to current/open; source msha-controller-operator-history