# Relationship history for MSHA mine 1510112

Current hierarchy: **Stiltner Carl--Grady & Jimmy Kinney → Punchin Judy Coal Company → No 107 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:** Greene Sherman → No 107 Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Pond Creek Coal Company → No 107 Mine; 1976-11-01 to 1978-11-15; source msha-controller-operator-history
- **controller_controls_operator:** Greene Sherman → Pond Creek Coal Company; 1976-11-01 to 1978-11-15; source msha-controller-operator-history
- **operator_operates_mine:** Punchin Judy Coal Company → No 107 Mine; 1978-11-16 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Stiltner Carl--Grady & Jimmy Kinney → No 107 Mine; 1978-11-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Stiltner Carl--Grady & Jimmy Kinney → Punchin Judy Coal Company; 1978-11-16 to current/open; source msha-controller-operator-history
