# Relationship history for MSHA mine 3608091

Current hierarchy: **Dennis M  Molesevich Sr; Jeff M  Molesevich → Black Diamond Mining Inc → 901 Mining**

- 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:** Gene B  Gangloff → 901 Mining; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Hecla Machinery & Equipment Company → 901 Mining; 1989-07-01 to 2007-04-03; source msha-controller-operator-history
- **controller_controls_operator:** Gene B  Gangloff → Hecla Machinery & Equipment Company; 1989-07-01 to 2007-04-03; source msha-controller-operator-history
- **controller_controls_mine:** Richard M  Oley → 901 Mining; 1999-12-01 to 2012-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Wilbur W  White Jr → 901 Mining; 2006-06-19 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Wilbur White Coal Co. → 901 Mining; 2007-04-04 to 2012-04-25; source msha-controller-operator-history
- **controller_controls_operator:** Wilbur W  White Jr → Wilbur White Coal Co.; 2007-04-04 to 2012-04-25; source msha-controller-operator-history
- **operator_operates_mine:** Coal Castle Fuels Inc. → 901 Mining; 2012-04-26 to 2024-10-09; source msha-controller-operator-history
- **controller_controls_mine:** James J  Curran III → 901 Mining; 2012-04-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James J  Curran III → Coal Castle Fuels Inc.; 2012-04-26 to 2024-10-09; source msha-controller-operator-history
- **controller_controls_mine:** Wicked Management LLC → 901 Mining; 2013-01-01 to 2023-06-13; source msha-controller-operator-history
- **controller_controls_mine:** Dennis M  Molesevich Sr et al → 901 Mining; 2023-06-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Black Diamond Mining Inc → 901 Mining; 2024-10-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dennis M  Molesevich Sr et al → Black Diamond Mining Inc; 2024-10-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeff M  Molesevich  et al → Black Diamond Mining Inc; 2024-10-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Wicked Management LLC → Black Diamond Mining Inc; 2024-10-10 to 2023-06-13; source msha-controller-operator-history
- **controller_controls_operator:** Richard M  Oley → Black Diamond Mining Inc; 2024-10-10 to 2012-12-31; source msha-controller-operator-history
