# Relationship history for MSHA mine 4403259

Current hierarchy: **William D  Humphreys → Greater Wise Inc → #1 Tipple**

- 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:** Greater Wise Inc → #1 Tipple; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** William D  Humphreys et al → #1 Tipple; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William D  Humphreys et al → Greater Wise Inc; 1950-01-01 to current/open; source msha-controller-operator-history