# Relationship history for MSHA mine 0503091

Current hierarchy: **Loper Ray & Mary Sullivan → Pandora Mining Company → Anglo Saxon #2**

- 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:** Orion Mining Corp → Anglo Saxon #2; 1950-01-01 to 1979-07-11; source msha-controller-operator-history
- **controller_controls_mine:** Sullivan Mary → Anglo Saxon #2; 1950-01-01 to 1979-07-11; source msha-controller-operator-history
- **controller_controls_operator:** Sullivan Mary → Orion Mining Corp; 1950-01-01 to 1979-07-11; source msha-controller-operator-history
- **operator_operates_mine:** Pandora Mining Company → Anglo Saxon #2; 1979-07-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Loper Ray & Mary Sullivan → Anglo Saxon #2; 1979-07-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Loper Ray & Mary Sullivan → Pandora Mining Company; 1979-07-12 to current/open; source msha-controller-operator-history