# Relationship history for MSHA mine 4103211

Current hierarchy: **Don  Legacy → Service Holdings Inc → J. V. DIRT & LOAM**

- 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:** J-V Marble Manufacturing Inc → J. V. DIRT & LOAM; 1984-01-01 to 1994-11-30; source msha-controller-operator-history
- **controller_controls_mine:** John D  Sprenkle → J. V. DIRT & LOAM; 1984-01-01 to 1994-11-30; source msha-controller-operator-history
- **controller_controls_operator:** John D  Sprenkle → J-V Marble Manufacturing Inc; 1984-01-01 to 1994-11-30; source msha-controller-operator-history
- **operator_operates_mine:** Service Holdings Inc → J. V. DIRT & LOAM; 1994-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Don  Legacy → J. V. DIRT & LOAM; 1994-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Don  Legacy → Service Holdings Inc; 1994-12-01 to current/open; source msha-controller-operator-history