# Relationship history for MSHA mine 0102645

Current hierarchy: **Hill Charles E → Mc Clarty Construction & Equipment Company Inc → Bull City Mine**

- 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:** Hill Charles E → Bull City Mine; 1980-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mc Clarty Construction & Equipment Company Inc → Bull City Mine; 1985-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hill Charles E → Mc Clarty Construction & Equipment Company Inc; 1985-09-01 to current/open; source msha-controller-operator-history