# Relationship history for MSHA mine 0101292

Current hierarchy: **Hawkins Lamar → Pawnee Mining & Coal Sales Inc → Nauvoo Pit**

- 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

- **controller_controls_mine:** Hawkins Lamar → Nauvoo Pit; 1973-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Pawnee Mining & Coal Sales Inc → Nauvoo Pit; 1974-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hawkins Lamar → Pawnee Mining & Coal Sales Inc; 1974-01-01 to current/open; source msha-controller-operator-history