# Relationship history for MSHA mine 4103886

Current hierarchy: **Randy  (Clyde)  Hippler → Mid-South Excavation Inc → Elite Rock**

- 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

- **controller_controls_mine:** James M  Welsh → Elite Rock; 1992-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Welsh Rock Inc → Elite Rock; 1996-02-01 to 2001-08-15; source msha-controller-operator-history
- **controller_controls_operator:** James M  Welsh → Welsh Rock Inc; 1996-02-01 to 2001-08-15; source msha-controller-operator-history
- **operator_operates_mine:** Mid-South Excavation Inc → Elite Rock; 2001-08-16 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Randy  (Clyde)  Hippler → Elite Rock; 2001-08-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Randy  (Clyde)  Hippler → Mid-South Excavation Inc; 2001-08-16 to current/open; source msha-controller-operator-history