# Relationship history for MSHA mine 4602244

Current hierarchy: **James C  Justice II → As Is Coal Company Inc → Echman Loading Ramp**

- 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:** Hawley Coal Mining Corp → Echman Loading Ramp; 1950-01-01 to 1974-10-31; source msha-controller-operator-history
- **controller_controls_mine:** Belco Petroleum Corp → Echman Loading Ramp; 1950-01-01 to 1974-10-31; source msha-controller-operator-history
- **controller_controls_operator:** Belco Petroleum Corp → Hawley Coal Mining Corp; 1950-01-01 to 1974-10-31; source msha-controller-operator-history
- **operator_operates_mine:** Hawley Coal Mining Corp → Echman Loading Ramp; 1974-11-01 to 1995-07-16; source msha-controller-operator-history
- **controller_controls_mine:** Hawley Charbon → Echman Loading Ramp; 1974-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hawley Charbon → Hawley Coal Mining Corp; 1974-11-01 to 1995-07-16; source msha-controller-operator-history
- **controller_controls_mine:** James C  Justice II et al → Echman Loading Ramp; 1995-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** As Is Coal Company Inc → Echman Loading Ramp; 1995-07-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James C  Justice II et al → As Is Coal Company Inc; 1995-07-17 to current/open; source msha-controller-operator-history