# Relationship history for MSHA mine 2401855

Current hierarchy: **Jerry D  Hanley → Oro Cache LLP → Maginnis Mine**

- 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

- **controller_controls_mine:** Delaware Ventures & L C Hoffman → Maginnis Mine; 1986-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Giles David L → Maginnis Mine; 1986-09-15 to 1990-07-22; source msha-controller-operator-history
- **operator_operates_mine:** Appaloosa Joint Venture-Cimarron Exploration Inc → Maginnis Mine; 1987-11-01 to 1990-07-22; source msha-controller-operator-history
- **controller_controls_operator:** Giles David L → Appaloosa Joint Venture-Cimarron Exploration Inc; 1987-11-01 to 1990-07-22; source msha-controller-operator-history
- **operator_operates_mine:** Blue Range Mining Company L P → Maginnis Mine; 1990-07-23 to 2013-05-08; source msha-controller-operator-history
- **controller_controls_operator:** Delaware Ventures & L C Hoffman → Blue Range Mining Company L P; 1990-07-23 to 2013-05-08; source msha-controller-operator-history
- **operator_operates_mine:** Oro Cache LLP → Maginnis Mine; 2013-05-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jerry D  Hanley → Maginnis Mine; 2013-05-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jerry D  Hanley → Oro Cache LLP; 2013-05-09 to current/open; source msha-controller-operator-history