# Relationship history for MSHA mine 1102965

Current hierarchy: **Scott  Lawrence → Riverside Construction Equip Serv Sales & Rental → RIVERSIDE CONST. EQUIP. SERV. SA**

- 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:** Riverside Construction Equip Serv Sales & Rental → RIVERSIDE CONST. EQUIP. SERV. SA; 1994-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Scott  Lawrence et al → RIVERSIDE CONST. EQUIP. SERV. SA; 1994-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott  Lawrence et al → Riverside Construction Equip Serv Sales & Rental; 1994-08-01 to current/open; source msha-controller-operator-history