# Relationship history for MSHA mine 4105302

Current hierarchy: **Charlie  Bezona; Heath  Reinert → DC Caliche LLC → Dawn Pit**

- 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:** DC Caliche LLC → Dawn Pit; 2017-10-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Heath  Reinert et al → Dawn Pit; 2017-10-07 to 2018-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Heath  Reinert et al → DC Caliche LLC; 2017-10-07 to 2018-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Andrea  Reinert et al → DC Caliche LLC; 2017-10-07 to 2018-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Heath  Reinert et al → Dawn Pit; 2019-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Heath  Reinert et al → DC Caliche LLC; 2019-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charlie  Bezona et al → DC Caliche LLC; 2019-01-01 to current/open; source msha-controller-operator-history