# Relationship history for MSHA mine 3003402

Current hierarchy: **THOMAS H  HOYTE → ADIRONDACK  STONE PRODUCTS, LTD → DORF MINE**

- 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:** ADIRONDACK  STONE PRODUCTS, LTD → DORF MINE; 2002-05-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** THOMAS H  HOYTE → DORF MINE; 2002-05-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** THOMAS H  HOYTE → ADIRONDACK  STONE PRODUCTS, LTD; 2002-05-15 to current/open; source msha-controller-operator-history