# Relationship history for MSHA mine 3609843

Current hierarchy: **Jeff M  Molesevich; Dennis M  Molesevich Sr → D. Molesevich & Sons Construction Co., Inc. → Atlas Anthracite Coal Corporation**

- 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:** Dennis M  Molesevich Sr et al → Atlas Anthracite Coal Corporation; 2006-12-15 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** D. Molesevich & Sons Construction Co., Inc. → Atlas Anthracite Coal Corporation; 2010-03-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dennis M  Molesevich Sr et al → D. Molesevich & Sons Construction Co., Inc.; 2010-03-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeff M  Molesevich  et al → D. Molesevich & Sons Construction Co., Inc.; 2010-03-25 to current/open; source msha-controller-operator-history