# Relationship history for MSHA mine 2302080

Current hierarchy: **(Lowell) Austin  Williams; Christopher C Williams → Bluewing Materials → Van Buren Stone**

- 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:** Lenny J  Crider  et al → Van Buren Stone; 1950-01-01 to 2026-06-11; source msha-controller-operator-history
- **operator_operates_mine:** Crider Brothers Lime Co Inc → Van Buren Stone; 1993-05-01 to 2006-06-18; source msha-controller-operator-history
- **controller_controls_operator:** Lenny J  Crider  et al → Crider Brothers Lime Co Inc; 1993-05-01 to 2006-06-18; source msha-controller-operator-history
- **controller_controls_operator:** Samuel W  Crider  et al → Crider Brothers Lime Co Inc; 1993-05-01 to 2006-06-18; source msha-controller-operator-history
- **operator_operates_mine:** Van Buren Stone Co., LLC. → Van Buren Stone; 2006-06-19 to 2023-03-02; source msha-controller-operator-history
- **controller_controls_mine:** Jason W  Gibbs et al → Van Buren Stone; 2006-06-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jason W  Gibbs et al → Van Buren Stone Co., LLC.; 2006-06-19 to 2023-03-02; source msha-controller-operator-history
- **controller_controls_operator:** Terry L  Gibbs et al → Van Buren Stone Co., LLC.; 2006-06-19 to 2023-03-02; source msha-controller-operator-history
- **controller_controls_mine:** Christopher Claud  Williams → Van Buren Stone; 2015-01-15 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cane Creek Stone → Van Buren Stone; 2023-03-03 to 2024-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Christopher Claud  Williams → Cane Creek Stone; 2023-03-03 to 2024-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Bluewing Materials → Van Buren Stone; 2024-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** (Lowell) Austin  Williams et al → Van Buren Stone; 2024-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** (Lowell) Austin  Williams et al → Bluewing Materials; 2024-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Christopher C Williams et al → Bluewing Materials; 2024-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lenny J  Crider → Van Buren Stone; 2026-06-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lenny J  Crider → Crider Brothers Lime Co Inc; 2026-06-12 to 2006-06-18; source msha-controller-operator-history