# Relationship history for MSHA mine 4407026

Current hierarchy: **Jerry  Skeens; Eddie  Skeens → C S & S Coal Corp → Mine No 8**

- 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:** Eddie  Skeens  et al → Mine No 8; 1982-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** C S & S Coal Corp → Mine No 8; 2001-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eddie  Skeens  et al → C S & S Coal Corp; 2001-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jerry  Skeens  et al → C S & S Coal Corp; 2001-04-01 to current/open; source msha-controller-operator-history