# Relationship history for MSHA mine 4608249

Current hierarchy: **John Mitch Potter → Coal-Mac LLC → Cub Branch 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Ashland Inc et al → Cub Branch Surface; 1989-10-19 to 1997-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Stollings Trucking Co., Inc. → Cub Branch Surface; 1992-12-01 to 2018-11-18; source msha-controller-operator-history
- **controller_controls_mine:** Rhonda D  Marcum → Cub Branch Surface; 1992-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rhonda D  Marcum → Stollings Trucking Co., Inc.; 1992-12-01 to 2018-11-18; source msha-controller-operator-history
- **controller_controls_mine:** Arch Resources Inc → Cub Branch Surface; 1997-07-01 to 2019-10-22; source msha-controller-operator-history
- **operator_operates_mine:** Condor Holdings LLC → Cub Branch Surface; 2018-11-19 to 2021-09-09; source msha-controller-operator-history
- **controller_controls_mine:** John Mitch Potter → Cub Branch Surface; 2018-11-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John Mitch Potter → Condor Holdings LLC; 2018-11-19 to 2021-09-09; source msha-controller-operator-history
- **controller_controls_mine:** John Mitch Potter → Cub Branch Surface; 2019-10-23 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Coal-Mac LLC → Cub Branch Surface; 2021-09-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John Mitch Potter → Coal-Mac LLC; 2021-09-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ashland Inc et al → Coal-Mac LLC; 2021-09-10 to 1997-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Arch Resources Inc → Coal-Mac LLC; 2021-09-10 to 2019-10-22; source msha-controller-operator-history