# Relationship history for MSHA mine 3610008

Current hierarchy: **Peter D Shingara Jr → Peter Shingara Jr Mining → No. 1 Slope Operation**

- 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:** S & N Coal Company LLC → No. 1 Slope Operation; 2012-05-16 to 2023-04-20; source msha-controller-operator-history
- **controller_controls_mine:** Christian K  Kauffman → No. 1 Slope Operation; 2012-05-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Christian K  Kauffman → S & N Coal Company LLC; 2012-05-16 to 2023-04-20; source msha-controller-operator-history
- **controller_controls_mine:** Peter D Shingara Jr → No. 1 Slope Operation; 2022-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Peter Shingara Jr Mining → No. 1 Slope Operation; 2023-04-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Peter D Shingara Jr → Peter Shingara Jr Mining; 2023-04-21 to current/open; source msha-controller-operator-history