# Relationship history for MSHA mine 1201788

Current hierarchy: **Shand Alexander (Holdings) Ltd → Shand Mining Inc → Fulton 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Amselco Shand Inc → Fulton Mine; 1980-05-01 to 1981-04-26; source msha-controller-operator-history
- **controller_controls_mine:** Amselco Holdings Inc → Fulton Mine; 1980-05-01 to 1981-04-26; source msha-controller-operator-history
- **controller_controls_operator:** Amselco Holdings Inc → Amselco Shand Inc; 1980-05-01 to 1981-04-26; source msha-controller-operator-history
- **operator_operates_mine:** Shand Mining Inc → Fulton Mine; 1981-04-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Shand Alexander (Holdings) Ltd → Fulton Mine; 1981-04-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Shand Alexander (Holdings) Ltd → Shand Mining Inc; 1981-04-27 to current/open; source msha-controller-operator-history
