# Relationship history for MSHA mine 4405601

Current hierarchy: **Manicure Wanda → K J & W Inc → Mine No 1-A**

- 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:** K J & W Inc → Mine No 1-A; 1981-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Manicure Wanda → Mine No 1-A; 1981-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Manicure Wanda → K J & W Inc; 1981-03-01 to current/open; source msha-controller-operator-history