# Relationship history for MSHA mine 4606750

Current hierarchy: **John M  Potter; Thomas A  Potter → Eagle Creek Mining LLC → Eagle Creek No 5 Mine**

- 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 5 Mine; 1977-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** United  Company → Eagle Creek No 5 Mine; 1978-02-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Dal-Tex Coal Corp → Eagle Creek No 5 Mine; 1984-03-01 to 1984-08-31; source msha-controller-operator-history
- **controller_controls_operator:** United  Company → Dal-Tex Coal Corp; 1984-03-01 to 1984-08-31; source msha-controller-operator-history
- **operator_operates_mine:** Old Hickory Coal Company → Eagle Creek No 5 Mine; 1984-09-01 to 1988-08-16; source msha-controller-operator-history
- **controller_controls_mine:** Kirk Meredith E → Eagle Creek No 5 Mine; 1984-09-01 to 1988-08-16; source msha-controller-operator-history
- **controller_controls_operator:** Kirk Meredith E → Old Hickory Coal Company; 1984-09-01 to 1988-08-16; source msha-controller-operator-history
- **operator_operates_mine:** Old Hickory Coal Company → Eagle Creek No 5 Mine; 1988-08-17 to 1992-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Brown James R → Eagle Creek No 5 Mine; 1988-08-17 to 1992-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Brown James R → Old Hickory Coal Company; 1988-08-17 to 1992-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Ashland Inc et al → Eagle Creek No 5 Mine; 1990-01-24 to 1996-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Hobet Mining Inc → Eagle Creek No 5 Mine; 1992-04-01 to 2006-02-14; source msha-controller-operator-history
- **controller_controls_operator:** Ashland Inc et al → Hobet Mining Inc; 1992-04-01 to 2006-02-14; source msha-controller-operator-history
- **controller_controls_mine:** Arch Resources Inc → Eagle Creek No 5 Mine; 1997-07-01 to 2025-01-13; source msha-controller-operator-history
- **controller_controls_mine:** Thomas A  Potter et al → Eagle Creek No 5 Mine; 2005-11-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mingo Logan Coal Company → Eagle Creek No 5 Mine; 2006-02-15 to 2008-06-02; source msha-controller-operator-history
- **controller_controls_operator:** Ashland Inc et al → Mingo Logan Coal Company; 2006-02-15 to 1996-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Arch Resources Inc → Mingo Logan Coal Company; 2006-02-15 to 2008-06-02; source msha-controller-operator-history
- **operator_operates_mine:** Eagle Creek Mining LLC → Eagle Creek No 5 Mine; 2008-06-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Thomas A  Potter et al → Eagle Creek Mining LLC; 2008-06-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John M  Potter et al → Eagle Creek Mining LLC; 2008-06-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Core Natural Resources Inc → Eagle Creek No 5 Mine; 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 2008-06-02; source msha-controller-operator-history