# Relationship history for MSHA mine 3608593

Current hierarchy: **Robindale Energy Services Inc → Lehigh Anthracite Coal, LLC → Little Italy**

- 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

- **operator_operates_mine:** R & F Nardini Coal Company → Little Italy; 1996-11-01 to 2005-12-01; source msha-controller-operator-history
- **controller_controls_mine:** Mary C  Nardini → Little Italy; 1996-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mary C  Nardini → R & F Nardini Coal Company; 1996-11-01 to 2005-12-01; source msha-controller-operator-history
- **operator_operates_mine:** KAMC → Little Italy; 2005-12-02 to 2015-09-17; source msha-controller-operator-history
- **controller_controls_mine:** Robert E  Yarger → Little Italy; 2005-12-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert E  Yarger → KAMC; 2005-12-02 to 2015-09-17; source msha-controller-operator-history
- **controller_controls_mine:** Robindale Energy Services Inc → Little Italy; 2011-05-02 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lehigh Anthracite Coal, LLC → Little Italy; 2015-09-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robindale Energy Services Inc → Lehigh Anthracite Coal, LLC; 2015-09-18 to current/open; source msha-controller-operator-history