# Relationship history for MSHA mine 1001985

Current hierarchy: **Theo R  Orchard → Idaho Travertine Corp → ID TRAVERTINE YARD CRUSHER**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Theo R  Orchard → ID TRAVERTINE YARD CRUSHER; 1989-05-05 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Idaho Travertine Corp → ID TRAVERTINE YARD CRUSHER; 2000-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Theo R  Orchard → Idaho Travertine Corp; 2000-08-01 to current/open; source msha-controller-operator-history