# Relationship history for MSHA mine 3003429

Current hierarchy: **Christopher J  Phair → ADK Rock Farm Inc → ADK Rock Farm**

- 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

- **operator_operates_mine:** DONALD LAMBERT → ADK Rock Farm; 2002-08-21 to 2005-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Donald  Lambert → ADK Rock Farm; 2002-08-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Donald  Lambert → DONALD LAMBERT; 2002-08-21 to 2005-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Star, Sand & Gravel, Inc. → ADK Rock Farm; 2006-01-01 to 2016-10-03; source msha-controller-operator-history
- **controller_controls_mine:** Michael J  Muller → ADK Rock Farm; 2006-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael J  Muller → Star, Sand & Gravel, Inc.; 2006-01-01 to 2016-10-03; source msha-controller-operator-history
- **operator_operates_mine:** ADK Rock Farm Inc → ADK Rock Farm; 2016-10-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Christopher J  Phair → ADK Rock Farm; 2016-10-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Christopher J  Phair → ADK Rock Farm Inc; 2016-10-04 to current/open; source msha-controller-operator-history