# Relationship history for MSHA mine 3603517

Current hierarchy: **Daniel T Allen → DTA ALLIANCE, LLC → DTA ALLIANCE, LLC**

- 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:** Alliance Sand Company → DTA ALLIANCE, LLC; 1950-01-01 to 2005-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Ernest  Renda → DTA ALLIANCE, LLC; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ernest  Renda → Alliance Sand Company; 1950-01-01 to 2005-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Alliance Sand Operations LLC → DTA ALLIANCE, LLC; 2005-06-01 to 2023-04-17; source msha-controller-operator-history
- **controller_controls_mine:** Alan  Siberini → DTA ALLIANCE, LLC; 2005-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alan  Siberini → Alliance Sand Operations LLC; 2005-06-01 to 2023-04-17; source msha-controller-operator-history
- **operator_operates_mine:** DTA Alliance, LLC → DTA ALLIANCE, LLC; 2023-04-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Daniel T Allen → DTA ALLIANCE, LLC; 2023-04-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniel T Allen → DTA Alliance, LLC; 2023-04-18 to current/open; source msha-controller-operator-history