# Relationship history for MSHA mine 0102668

Current hierarchy: **John R (Reed)  Marine Jr → Live Oak Sand & Gravel Company Inc → ALICEVILLE 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:** Live Oak Sand & Gravel Company Inc → ALICEVILLE PIT; 1986-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John R (Reed)  Marine Jr → ALICEVILLE PIT; 1986-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John R (Reed)  Marine Jr → Live Oak Sand & Gravel Company Inc; 1986-01-01 to current/open; source msha-controller-operator-history