# Relationship history for MSHA mine 1002102

Current hierarchy: **George R  Calvin; David  Petersen → Consolidated Industries, LLC. → Dream 1 and 2**

- 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:** Consolidated Industries, LLC. → Dream 1 and 2; 2006-12-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** David  Petersen et al → Dream 1 and 2; 2006-12-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David  Petersen et al → Consolidated Industries, LLC.; 2006-12-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** George R  Calvin et al → Consolidated Industries, LLC.; 2006-12-08 to current/open; source msha-controller-operator-history