# Relationship history for MSHA mine 0102449

Current hierarchy: **Robins John M → Erin Mining & Minerals Inc → Star Branch 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:** Rice Donald R-A J Richards Et Al → Star Branch Mine; 1979-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Dixie Fuels Inc → Star Branch Mine; 1982-03-01 to 1985-10-15; source msha-controller-operator-history
- **controller_controls_operator:** Rice Donald R-A J Richards Et Al → Dixie Fuels Inc; 1982-03-01 to 1985-10-15; source msha-controller-operator-history
- **operator_operates_mine:** Erin Mining & Minerals Inc → Star Branch Mine; 1985-10-16 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Robins John M → Star Branch Mine; 1985-10-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robins John M → Erin Mining & Minerals Inc; 1985-10-16 to current/open; source msha-controller-operator-history