# Relationship history for MSHA mine 3600806

Current hierarchy: **Raymond J  Bologna → Champion Processing Inc → Champion Refuse Disposal Area**

- 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:** Consolidation Coal Company → Champion Refuse Disposal Area; 1950-01-01 to 1981-07-08; source msha-controller-operator-history
- **controller_controls_mine:** CONSOL Energy Inc → Champion Refuse Disposal Area; 1950-01-01 to 2013-12-04; source msha-controller-operator-history
- **controller_controls_operator:** CONSOL Energy Inc → Consolidation Coal Company; 1950-01-01 to 1981-07-08; source msha-controller-operator-history
- **operator_operates_mine:** Champion Processing Inc → Champion Refuse Disposal Area; 1981-07-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Anthony  Bologna → Champion Refuse Disposal Area; 1981-07-09 to 2014-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Anthony  Bologna → Champion Processing Inc; 1981-07-09 to 2014-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Robert E  Murray → Champion Refuse Disposal Area; 2013-12-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert E  Murray → Consolidation Coal Company; 2013-12-05 to 1981-07-08; source msha-controller-operator-history
- **controller_controls_mine:** Raymond J  Bologna → Champion Refuse Disposal Area; 2015-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Raymond J  Bologna → Champion Processing Inc; 2015-01-01 to current/open; source msha-controller-operator-history