# Relationship history for MSHA mine 2402668

Current hierarchy: **David  Rodli → NH Gold, LLC → Dewey Mine**

- 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:** Eric  Sauve → Dewey Mine; 2011-06-15 to 2014-02-09; source msha-controller-operator-history
- **operator_operates_mine:** Grant Hartford Corporation → Dewey Mine; 2014-02-10 to 2014-08-04; source msha-controller-operator-history
- **controller_controls_operator:** Eric  Sauve → Grant Hartford Corporation; 2014-02-10 to 2014-02-09; source msha-controller-operator-history
- **controller_controls_mine:** David  Rodli et al → Dewey Mine; 2014-02-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David  Rodli et al → Grant Hartford Corporation; 2014-02-10 to 2014-08-04; source msha-controller-operator-history
- **operator_operates_mine:** NH Gold, LLC → Dewey Mine; 2014-08-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** David  Rodli et al → Dewey Mine; 2014-08-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David  Rodli et al → NH Gold, LLC; 2014-08-05 to current/open; source msha-controller-operator-history