# Relationship history for MSHA mine 4104071

Current hierarchy: **Arcosa, Inc → Arcosa Aggregates Texas, LLC → Wills Point Lester Plant 1655**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** H Wade  Miller et al → Wills Point Lester Plant 1655; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Trinity Industries Inc → Wills Point Lester Plant 1655; 1991-12-01 to 2018-10-31; source msha-controller-operator-history
- **operator_operates_mine:** Mc Kinney Crushing Company Inc → Wills Point Lester Plant 1655; 1999-02-01 to 2002-12-26; source msha-controller-operator-history
- **controller_controls_operator:** H Wade  Miller et al → Mc Kinney Crushing Company Inc; 1999-02-01 to 2002-12-26; source msha-controller-operator-history
- **controller_controls_operator:** Bobby  Pannkuk Sr et al → Mc Kinney Crushing Company Inc; 1999-02-01 to 2002-12-26; source msha-controller-operator-history
- **operator_operates_mine:** Rock Solid Crushed Stone, Inc. → Wills Point Lester Plant 1655; 2002-12-27 to 2010-11-09; source msha-controller-operator-history
- **controller_controls_mine:** Libby  Schroeder → Wills Point Lester Plant 1655; 2002-12-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Libby  Schroeder → Rock Solid Crushed Stone, Inc.; 2002-12-27 to 2010-11-09; source msha-controller-operator-history
- **controller_controls_operator:** Bobby  Pannkuk Jr → Rock Solid Crushed Stone, Inc.; 2002-12-27 to 2010-11-09; source msha-controller-operator-history
- **operator_operates_mine:** Arcosa Aggregates, Inc. → Wills Point Lester Plant 1655; 2010-11-10 to 2022-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Trinity Industries Inc → Arcosa Aggregates, Inc.; 2010-11-10 to 2018-10-31; source msha-controller-operator-history
- **controller_controls_mine:** Arcosa, Inc → Wills Point Lester Plant 1655; 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 → Wills Point Lester Plant 1655; 2023-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Arcosa, Inc → Wills Point Lester Plant 1655; 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