# Relationship history for MSHA mine 1513667

Current hierarchy: **Gary  Asher → Appolo Fuels Inc → #2 Prep Plant**

- 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:** Gary  Asher → #2 Prep Plant; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Capps Ronald E → #2 Prep Plant; 1973-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** New Hignite Coal Company Inc → #2 Prep Plant; 1982-08-01 to 1988-08-15; source msha-controller-operator-history
- **controller_controls_operator:** Capps Ronald E → New Hignite Coal Company Inc; 1982-08-01 to 1988-08-15; source msha-controller-operator-history
- **operator_operates_mine:** Appolo Fuels Inc → #2 Prep Plant; 1988-08-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gary  Asher → Appolo Fuels Inc; 1988-08-16 to current/open; source msha-controller-operator-history