# Relationship history for MSHA mine 1515086

Current hierarchy: **Elliott James & Reed--Harvey Randall → High Top Coal Company → No 1**

- 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:** High Top Coal Company → No 1; 1985-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Elliott James & Reed--Harvey Randall Et Al → No 1; 1985-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Elliott James & Reed--Harvey Randall Et Al → High Top Coal Company; 1985-02-01 to current/open; source msha-controller-operator-history