# Relationship history for MSHA mine 0504653

Current hierarchy: **Robert  Redmond; Daniel  Redmond → General Operating Company Inc → GARDNER 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

- **operator_operates_mine:** General Operating Company Inc → GARDNER PIT; 1999-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Daniel  Redmond  et al → GARDNER PIT; 1999-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniel  Redmond  et al → General Operating Company Inc; 1999-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert  Redmond  et al → General Operating Company Inc; 1999-08-01 to current/open; source msha-controller-operator-history