# Relationship history for MSHA mine 4703058

Current hierarchy: **Joshua R  Radant; Richard P  Lamers; Jeffrey M  Maples → Badgerland Aggregates, LLC. → Cedar Rapids Terex Jaw #504**

- 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

- **controller_controls_mine:** Joshua R  Radandt et al → Cedar Rapids Terex Jaw #504; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** F. Radandt Sons, Inc. → Cedar Rapids Terex Jaw #504; 1995-06-01 to 2015-01-04; source msha-controller-operator-history
- **controller_controls_operator:** Joshua R  Radandt et al → F. Radandt Sons, Inc.; 1995-06-01 to 2015-01-04; source msha-controller-operator-history
- **operator_operates_mine:** Badgerland Aggregates, LLC → Cedar Rapids Terex Jaw #504; 2015-01-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Richard P  Lamers et al → Cedar Rapids Terex Jaw #504; 2015-01-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Richard P  Lamers et al → Badgerland Aggregates, LLC; 2015-01-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joshua R  Radant et al → Badgerland Aggregates, LLC; 2015-01-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeffrey M  Maples et al → Badgerland Aggregates, LLC; 2015-01-05 to current/open; source msha-controller-operator-history