# Relationship history for MSHA mine 4609174

Current hierarchy: **John Mitch Potter → Coal-Mac LLC → Eagle Creek No 3**

- 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:** Ashland Inc et al → Eagle Creek No 3; 1989-10-19 to 1997-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Ashland Inc et al → Eagle Creek No 3; 1990-01-24 to 1996-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Arch Resources Inc → Eagle Creek No 3; 1997-07-01 to 2019-10-22; source msha-controller-operator-history
- **controller_controls_mine:** Arch Resources Inc → Eagle Creek No 3; 1997-07-01 to 2025-01-13; source msha-controller-operator-history
- **controller_controls_mine:** John M  Potter et al → Eagle Creek No 3; 2005-11-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mingo Logan Coal Company → Eagle Creek No 3; 2006-10-12 to 2007-07-26; source msha-controller-operator-history
- **controller_controls_operator:** Ashland Inc et al → Mingo Logan Coal Company; 2006-10-12 to 1996-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Arch Resources Inc → Mingo Logan Coal Company; 2006-10-12 to 2007-07-26; source msha-controller-operator-history
- **operator_operates_mine:** Eagle Creek Mining LLC → Eagle Creek No 3; 2007-07-27 to 2022-11-27; source msha-controller-operator-history
- **controller_controls_operator:** John M  Potter et al → Eagle Creek Mining LLC; 2007-07-27 to 2022-11-27; source msha-controller-operator-history
- **controller_controls_operator:** Thomas A  Potter et al → Eagle Creek Mining LLC; 2007-07-27 to 2022-11-27; source msha-controller-operator-history
- **controller_controls_mine:** John Mitch Potter → Eagle Creek No 3; 2019-10-23 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Coal-Mac LLC → Eagle Creek No 3; 2022-11-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John Mitch Potter → Coal-Mac LLC; 2022-11-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ashland Inc et al → Coal-Mac LLC; 2022-11-28 to 1997-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Arch Resources Inc → Coal-Mac LLC; 2022-11-28 to 2019-10-22; source msha-controller-operator-history
- **controller_controls_mine:** Core Natural Resources Inc → Eagle Creek No 3; 2025-01-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Core Natural Resources Inc → Mingo Logan Coal Company; 2025-01-14 to 2007-07-26; source msha-controller-operator-history