# Relationship history for MSHA mine 0202986

Current hierarchy: **Harvey H  Lundershausen → Continental Golf and Construction → Pit #1 Wash Plant**

- 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:** Harvey H  Lundershausen → Pit #1 Wash Plant; 1999-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Continental Golf and Construction → Pit #1 Wash Plant; 2002-07-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Harvey H  Lundershausen → Continental Golf and Construction; 2002-07-09 to current/open; source msha-controller-operator-history