# Relationship history for MSHA mine 4105280

Current hierarchy: **Dwayne  Kleman; Joe  Kleman → Bedrock Caliche LLC → Kleeman #2 Mobile Crusher**

- 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

- **controller_controls_mine:** Joe  Kleman et al → Kleeman #2 Mobile Crusher; 2013-02-12 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Bedrock Caliche LLC → Kleeman #2 Mobile Crusher; 2017-08-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joe  Kleman et al → Bedrock Caliche LLC; 2017-08-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dwayne  Kleman et al → Bedrock Caliche LLC; 2017-08-07 to current/open; source msha-controller-operator-history