# Relationship history for MSHA mine 1103068

Current hierarchy: **Donald J  Mueller → Consolidated Materials, Inc. → Consolidated Materials, Inc.**

- 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:** Carpentersville Quarry, Inc. → Consolidated Materials, Inc.; 2000-07-01 to 2016-05-27; source msha-controller-operator-history
- **controller_controls_mine:** Robert R  Pawelko Sr → Consolidated Materials, Inc.; 2000-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert R  Pawelko Sr → Carpentersville Quarry, Inc.; 2000-07-01 to 2016-05-27; source msha-controller-operator-history
- **controller_controls_mine:** Donald J  Mueller → Consolidated Materials, Inc.; 2013-12-17 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Consolidated Materials, Inc. → Consolidated Materials, Inc.; 2016-05-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Donald J  Mueller → Consolidated Materials, Inc.; 2016-05-28 to current/open; source msha-controller-operator-history