# Relationship history for MSHA mine 4105120

Current hierarchy: **Kathy J  Gosdin → Gosdin's Dozer Service, Inc → Millsap Shale 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:** Gosdin's Dozer Service, Inc → Millsap Shale Mine; 2015-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James W  Gosdin → Millsap Shale Mine; 2015-04-01 to 2024-07-31; source msha-controller-operator-history
- **controller_controls_operator:** James W  Gosdin → Gosdin's Dozer Service, Inc; 2015-04-01 to 2024-07-31; source msha-controller-operator-history
- **controller_controls_mine:** Kathy J  Gosdin → Millsap Shale Mine; 2024-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kathy J  Gosdin → Gosdin's Dozer Service, Inc; 2024-08-01 to current/open; source msha-controller-operator-history
