# Relationship history for MSHA mine 3800687

Current hierarchy: **Wiseman Robert & Stephen → Socastee Harvest Llc → LAKE RIDGE**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** A O Hardee & Son Inc → LAKE RIDGE; 1999-01-01 to 1999-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Benjy  Hardee → LAKE RIDGE; 1999-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Benjy  Hardee → A O Hardee & Son Inc; 1999-01-01 to 1999-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Socastee Harvest Llc → LAKE RIDGE; 1999-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Wiseman Robert & Stephen → LAKE RIDGE; 1999-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Wiseman Robert & Stephen → Socastee Harvest Llc; 1999-04-01 to current/open; source msha-controller-operator-history