# Relationship history for MSHA mine 3000610

Current hierarchy: **RSP Minerals → Gouverneur LLC → BALMAT MINING OPERATIONS**

- 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:** Gouverneur Talc Company Inc → BALMAT MINING OPERATIONS; 1950-01-01 to 2006-12-31; source msha-controller-operator-history
- **controller_controls_mine:** R T Vanderbilt Company Inc → BALMAT MINING OPERATIONS; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** R T Vanderbilt Company Inc → Gouverneur Talc Company Inc; 1950-01-01 to 2006-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Vanderbilt Minerals, LLC- Gouverneur Mineral Div. → BALMAT MINING OPERATIONS; 2007-01-01 to 2026-07-23; source msha-controller-operator-history
- **controller_controls_mine:** R T Vanderbilt Company Inc → BALMAT MINING OPERATIONS; 2007-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** R T Vanderbilt Company Inc → Vanderbilt Minerals, LLC- Gouverneur Mineral Div.; 2007-01-01 to 2026-07-23; source msha-controller-operator-history
- **operator_operates_mine:** Gouverneur LLC → BALMAT MINING OPERATIONS; 2026-07-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** RSP Minerals → BALMAT MINING OPERATIONS; 2026-07-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** RSP Minerals → Gouverneur LLC; 2026-07-24 to current/open; source msha-controller-operator-history