# Relationship history for MSHA mine 3602196

Current hierarchy: **Melnicove S D → Fireside Mining Inc → No 3 Slope-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

- **controller_controls_mine:** Melnicove S D → No 3 Slope-Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Nikki Coal Partnership → No 3 Slope-Mine; 1950-01-01 to 1971-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Mickatavage Joseph C → No 3 Slope-Mine; 1950-01-01 to 1971-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Mickatavage Joseph C → Nikki Coal Partnership; 1950-01-01 to 1971-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Fireside Mining Inc → No 3 Slope-Mine; 1971-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Melnicove S D → Fireside Mining Inc; 1971-07-01 to current/open; source msha-controller-operator-history