# Relationship history for MSHA mine 1401414

Current hierarchy: **Eric  Bettis → Capital Ready-Mix, LLC → Hanover Sand 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

- **controller_controls_mine:** Mueller Emil H → Hanover Sand Plant; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mueller Sand & Gravel Company Inc → Hanover Sand Plant; 1981-12-01 to 1996-10-31; source msha-controller-operator-history
- **controller_controls_operator:** Mueller Emil H → Mueller Sand & Gravel Company Inc; 1981-12-01 to 1996-10-31; source msha-controller-operator-history
- **operator_operates_mine:** Midwest Materials By Mueller Inc → Hanover Sand Plant; 1996-11-01 to 2026-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Jay  Holle et al → Hanover Sand Plant; 1996-11-01 to 2020-10-12; source msha-controller-operator-history
- **controller_controls_operator:** Jay  Holle et al → Midwest Materials By Mueller Inc; 1996-11-01 to 2020-10-12; source msha-controller-operator-history
- **controller_controls_operator:** Manetha  Holle et al → Midwest Materials By Mueller Inc; 1996-11-01 to 2020-10-12; source msha-controller-operator-history
- **controller_controls_mine:** Jay  Holle → Hanover Sand Plant; 2020-10-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jay  Holle → Midwest Materials By Mueller Inc; 2020-10-13 to 2026-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Capital Ready-Mix, LLC → Hanover Sand Plant; 2026-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Eric  Bettis → Hanover Sand Plant; 2026-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eric  Bettis → Capital Ready-Mix, LLC; 2026-07-01 to current/open; source msha-controller-operator-history