# Relationship history for MSHA mine 1518567

Current hierarchy: **Timothy P  Smith → American Mining & Manufacturing of Kentucky LLC → Stones Chapel**

- 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

- **controller_controls_mine:** Timothy P  Smith → Stones Chapel; 2000-12-04 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** American Mining & Manufacturing Corp → Stones Chapel; 2002-08-28 to 2006-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Timothy P  Smith → American Mining & Manufacturing Corp; 2002-08-28 to 2006-05-31; source msha-controller-operator-history
- **operator_operates_mine:** American Mining & Manufacturing of Kentucky LLC → Stones Chapel; 2006-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Timothy P  Smith → Stones Chapel; 2006-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Timothy P  Smith → American Mining & Manufacturing of Kentucky LLC; 2006-06-01 to current/open; source msha-controller-operator-history