# Relationship history for MSHA mine 0103352

Current hierarchy: **Jeri Elizabeth  Carter; Bruce  Ervin → Western Specialty Products LLC → Smith Mine**

- 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

- **operator_operates_mine:** Mid-State Sand & Gravel → Smith Mine; 2006-08-24 to 2017-06-20; source msha-controller-operator-history
- **controller_controls_mine:** Alfred W  Clark → Smith Mine; 2006-08-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alfred W  Clark → Mid-State Sand & Gravel; 2006-08-24 to 2017-06-20; source msha-controller-operator-history
- **operator_operates_mine:** Action Sand and Gravel LLC → Smith Mine; 2017-06-21 to 2017-08-24; source msha-controller-operator-history
- **controller_controls_mine:** Jeri Elizabeth  Carter et al → Smith Mine; 2017-06-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeri Elizabeth  Carter et al → Action Sand and Gravel LLC; 2017-06-21 to 2017-08-24; source msha-controller-operator-history
- **controller_controls_operator:** Bruce  Ervin et al → Action Sand and Gravel LLC; 2017-06-21 to 2017-08-24; source msha-controller-operator-history
- **controller_controls_operator:** Donny  Raughton et al → Action Sand and Gravel LLC; 2017-06-21 to 2017-08-24; source msha-controller-operator-history
- **operator_operates_mine:** Western Specialty Products LLC → Smith Mine; 2017-08-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bruce  Ervin et al → Smith Mine; 2017-08-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bruce  Ervin et al → Western Specialty Products LLC; 2017-08-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeri Elizabeth  Carter et al → Western Specialty Products LLC; 2017-08-25 to current/open; source msha-controller-operator-history