# Relationship history for MSHA mine 4609075

Current hierarchy: **John Mitch Potter → COAL-MAC LLC. → TWIN BRANCH NO 1 SURFACE**

- 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:** CONSOL Energy Inc → TWIN BRANCH NO 1 SURFACE; 1986-07-31 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ashland Inc et al → TWIN BRANCH NO 1 SURFACE; 1989-10-19 to 1997-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Arch Resources Inc → TWIN BRANCH NO 1 SURFACE; 1997-07-01 to 2019-10-22; source msha-controller-operator-history
- **operator_operates_mine:** CONSOL of Kentucky Inc. → TWIN BRANCH NO 1 SURFACE; 2004-12-07 to 2016-08-01; source msha-controller-operator-history
- **controller_controls_operator:** CONSOL Energy Inc → CONSOL of Kentucky Inc.; 2004-12-07 to 2016-08-01; source msha-controller-operator-history
- **operator_operates_mine:** Southeastern Land, LLC. → TWIN BRANCH NO 1 SURFACE; 2016-08-02 to 2020-06-29; source msha-controller-operator-history
- **controller_controls_mine:** James H  Booth et al → TWIN BRANCH NO 1 SURFACE; 2016-08-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James H  Booth et al → Southeastern Land, LLC.; 2016-08-02 to 2020-06-29; source msha-controller-operator-history
- **controller_controls_mine:** John Mitch Potter → TWIN BRANCH NO 1 SURFACE; 2019-10-23 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Coal-Mac LLC. → TWIN BRANCH NO 1 SURFACE; 2020-06-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John Mitch Potter → Coal-Mac LLC.; 2020-06-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ashland Inc et al → Coal-Mac LLC.; 2020-06-30 to 1997-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Arch Resources Inc → Coal-Mac LLC.; 2020-06-30 to 2019-10-22; source msha-controller-operator-history