# Relationship history for MSHA mine 2401606

Current hierarchy: **Uranerzbergbau Gmbh → Uranerz U S A Inc → Jay Gould**

- 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:** Lovern Company → Jay Gould; 1981-01-01 to 1987-10-15; source msha-controller-operator-history
- **controller_controls_mine:** Lovern Company → Jay Gould; 1981-01-01 to 1987-10-15; source msha-controller-operator-history
- **controller_controls_operator:** Lovern Company → Lovern Company; 1981-01-01 to 1987-10-15; source msha-controller-operator-history
- **controller_controls_mine:** Uranerzbergbau Gmbh → Jay Gould; 1981-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Uranerz U S A Inc → Jay Gould; 1987-10-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Uranerzbergbau Gmbh → Uranerz U S A Inc; 1987-10-16 to current/open; source msha-controller-operator-history
