# Relationship history for MSHA mine 3610216

Current hierarchy: **Mepco Intermediate Holdings, LLC → Dana Mining Company of Pennsylvania, LLC → Steele Shaft Water Treatment Facility**

- 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:** James L  Laurita Jr  et al → Steele Shaft Water Treatment Facility; 2008-02-26 to 2013-11-09; source msha-controller-operator-history
- **controller_controls_mine:** Mepco Intermediate Holdings, LLC → Steele Shaft Water Treatment Facility; 2013-11-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Dana Mining Company of Pennsylvania, LLC → Steele Shaft Water Treatment Facility; 2017-05-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James L  Laurita Jr  et al → Dana Mining Company of Pennsylvania, LLC; 2017-05-30 to 2013-11-09; source msha-controller-operator-history
- **controller_controls_operator:** GenPower Holdings LP  et al → Dana Mining Company of Pennsylvania, LLC; 2017-05-30 to 2013-11-09; source msha-controller-operator-history
- **controller_controls_operator:** Mepco Intermediate Holdings, LLC → Dana Mining Company of Pennsylvania, LLC; 2017-05-30 to current/open; source msha-controller-operator-history