# Relationship history for MSHA mine 3607098

Current hierarchy: **Latchem Ira S → Lathcem'S Transfer Inc → Latchem'S Transfer Inc**

- 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:** Pavalonis-Kirch Construction Company → Latchem'S Transfer Inc; 1981-03-01 to 1983-09-27; source msha-controller-operator-history
- **controller_controls_mine:** Kirch Joseph G → Latchem'S Transfer Inc; 1981-03-01 to 1983-09-27; source msha-controller-operator-history
- **controller_controls_operator:** Kirch Joseph G → Pavalonis-Kirch Construction Company; 1981-03-01 to 1983-09-27; source msha-controller-operator-history
- **operator_operates_mine:** Lathcem'S Transfer Inc → Latchem'S Transfer Inc; 1983-09-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Latchem Ira S → Latchem'S Transfer Inc; 1983-09-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Latchem Ira S → Lathcem'S Transfer Inc; 1983-09-28 to current/open; source msha-controller-operator-history