# Relationship history for MSHA mine 0504753

Current hierarchy: **Scott  Mueller; Brad  Fancher; Martin  Mueller → Loveland Ready Mix Concrete Inc. → Green/Croissant**

- 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:** Patricia  Edwards → Green/Croissant; 1950-01-01 to 2023-05-04; source msha-controller-operator-history
- **operator_operates_mine:** Loveland Ready Mix Concrete Inc. → Green/Croissant; 2002-07-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patricia  Edwards → Loveland Ready Mix Concrete Inc.; 2002-07-03 to 2023-05-04; source msha-controller-operator-history
- **controller_controls_mine:** Brad  Fancher et al → Green/Croissant; 2023-05-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brad  Fancher et al → Loveland Ready Mix Concrete Inc.; 2023-05-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott  Mueller  et al → Loveland Ready Mix Concrete Inc.; 2023-05-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Martin  Mueller  et al → Loveland Ready Mix Concrete Inc.; 2023-05-05 to current/open; source msha-controller-operator-history
