# Relationship history for MSHA mine 3609178

Current hierarchy: **Robert  Rivkin → Rausch Creek Coal Mining Branchdale LLC → Rausch Creek Coal Mining Branchdale LLC**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Scott B  Kimmel → Rausch Creek Coal Mining Branchdale LLC; 2001-12-17 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Michael Coal Company → Rausch Creek Coal Mining Branchdale LLC; 2003-11-13 to 2019-01-06; source msha-controller-operator-history
- **controller_controls_operator:** Scott B  Kimmel → Michael Coal Company; 2003-11-13 to 2019-01-06; source msha-controller-operator-history
- **operator_operates_mine:** Rausch Creek Coal Mining Branchdale LLC → Rausch Creek Coal Mining Branchdale LLC; 2019-01-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Robert  Rivkin → Rausch Creek Coal Mining Branchdale LLC; 2019-01-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert  Rivkin → Rausch Creek Coal Mining Branchdale LLC; 2019-01-07 to current/open; source msha-controller-operator-history