# Relationship history for MSHA mine 1518489

Current hierarchy: **Jerry  Watson; Keith  Arnett → Eastern Appalachian Resources, Inc. → Lucky #2**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Jerry  Watson et al → Lucky #2; 2001-11-28 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Eastern Appalachian Resources, Inc. → Lucky #2; 2001-12-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jerry  Watson et al → Eastern Appalachian Resources, Inc.; 2001-12-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Keith  Arnett et al → Eastern Appalachian Resources, Inc.; 2001-12-12 to current/open; source msha-controller-operator-history