# Relationship history for MSHA mine 3003370

Current hierarchy: **Jeffrey  Decker → Jeff Decker & Son Inc → JEFF DECKER & SON, INC.**

- 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:** Jeff Decker & Son Inc → JEFF DECKER & SON, INC.; 2001-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jeffrey  Decker → JEFF DECKER & SON, INC.; 2001-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeffrey  Decker → Jeff Decker & Son Inc; 2001-06-01 to current/open; source msha-controller-operator-history