# Relationship history for MSHA mine 3503801

Current hierarchy: **Tamera S  Moreau → T & D Unique Jewelry → Sunstone Butte 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:** T & D Unique Jewelry → Sunstone Butte Mine; 2013-08-01 to 2021-08-22; source msha-controller-operator-history
- **controller_controls_mine:** David A  Wheatley → Sunstone Butte Mine; 2013-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David A  Wheatley → T & D Unique Jewelry; 2013-08-01 to 2021-08-22; source msha-controller-operator-history
- **operator_operates_mine:** T & D Unique Jewelry → Sunstone Butte Mine; 2021-08-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Tamera S  Moreau → Sunstone Butte Mine; 2021-08-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tamera S  Moreau → T & D Unique Jewelry; 2021-08-23 to current/open; source msha-controller-operator-history