# Relationship history for MSHA mine 4300653

Current hierarchy: **Nathan C  Wagner → Vermont Siteworks, Inc. → Gale's Gravel LLC, DBA Vermont Siteworks**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **operator_operates_mine:** Elwin H Gale → Gale's Gravel LLC, DBA Vermont Siteworks; 2006-10-17 to 2009-07-01; source msha-controller-operator-history
- **controller_controls_mine:** Elwin H  Gale → Gale's Gravel LLC, DBA Vermont Siteworks; 2006-10-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Elwin H  Gale → Elwin H Gale; 2006-10-17 to 2009-07-01; source msha-controller-operator-history
- **operator_operates_mine:** Vermont Siteworks, Inc. → Gale's Gravel LLC, DBA Vermont Siteworks; 2009-07-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Nathan C  Wagner → Gale's Gravel LLC, DBA Vermont Siteworks; 2009-07-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nathan C  Wagner → Vermont Siteworks, Inc.; 2009-07-02 to current/open; source msha-controller-operator-history