# Relationship history for MSHA mine 4609138

Current hierarchy: **John M  Potter; Thomas A  Potter → Eagle Creek Mining LLC → MT-11 Surface 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** CONSOL Energy Inc → MT-11 Surface Mine; 1986-07-31 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Clearwater Natural Resources LP → MT-11 Surface Mine; 2005-08-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Thomas A  Potter et al → MT-11 Surface Mine; 2005-11-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Consol of Kentucky Inc → MT-11 Surface Mine; 2005-12-22 to 2006-09-24; source msha-controller-operator-history
- **controller_controls_operator:** CONSOL Energy Inc → Consol of Kentucky Inc; 2005-12-22 to 2006-09-24; source msha-controller-operator-history
- **operator_operates_mine:** Miller Bros Coal LLC → MT-11 Surface Mine; 2006-09-25 to 2007-03-15; source msha-controller-operator-history
- **controller_controls_operator:** Clearwater Natural Resources LP → Miller Bros Coal LLC; 2006-09-25 to 2007-03-15; source msha-controller-operator-history
- **operator_operates_mine:** Consol of Kentucky Inc → MT-11 Surface Mine; 2007-03-16 to 2008-04-01; source msha-controller-operator-history
- **controller_controls_operator:** CONSOL Energy Inc → Consol of Kentucky Inc; 2007-03-16 to 2008-04-01; source msha-controller-operator-history
- **operator_operates_mine:** Eagle Creek Mining LLC → MT-11 Surface Mine; 2008-04-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Thomas A  Potter et al → Eagle Creek Mining LLC; 2008-04-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John M  Potter et al → Eagle Creek Mining LLC; 2008-04-02 to current/open; source msha-controller-operator-history