# Relationship history for MSHA mine 3000954

Current hierarchy: **Jodi J  Edger → Edger Civil & Utility, LLC → Rhinehart Sand & Gravel**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **operator_operates_mine:** Rhinehart Sand & Gravel, Inc → Rhinehart Sand & Gravel; 1950-01-01 to 2022-06-07; source msha-controller-operator-history
- **controller_controls_mine:** Roger F  Steele → Rhinehart Sand & Gravel; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Roger F  Steele → Rhinehart Sand & Gravel, Inc; 1950-01-01 to 2022-06-07; source msha-controller-operator-history
- **controller_controls_mine:** Jessica E  Hillman et al → Rhinehart Sand & Gravel; 2015-03-23 to 2022-06-07; source msha-controller-operator-history
- **operator_operates_mine:** Edger Civil & Utility, LLC → Rhinehart Sand & Gravel; 2022-06-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jodi J  Edger → Rhinehart Sand & Gravel; 2022-06-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jodi J  Edger → Edger Civil & Utility, LLC; 2022-06-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jessica E  Hillman et al → Edger Civil & Utility, LLC; 2022-06-08 to 2022-06-07; source msha-controller-operator-history
- **controller_controls_operator:** Jodi J  Edger et al → Edger Civil & Utility, LLC; 2022-06-08 to 2022-06-07; source msha-controller-operator-history