# Relationship history for MSHA mine 1518987

Current hierarchy: **Joshua  Clark → Clark Mining Inc → Mine #1**

- 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:** Eddie  Rowe → Mine #1; 2005-06-29 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Coal Express Inc → Mine #1; 2006-04-19 to 2007-09-12; source msha-controller-operator-history
- **controller_controls_operator:** Eddie  Rowe → Coal Express Inc; 2006-04-19 to 2007-09-12; source msha-controller-operator-history
- **operator_operates_mine:** CSA Mining Inc → Mine #1; 2007-09-13 to 2008-08-28; source msha-controller-operator-history
- **controller_controls_mine:** Alger B  Jent → Mine #1; 2007-09-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alger B  Jent → CSA Mining Inc; 2007-09-13 to 2008-08-28; source msha-controller-operator-history
- **operator_operates_mine:** Clark Mining Inc → Mine #1; 2008-08-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Joshua  Clark → Mine #1; 2008-08-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joshua  Clark → Clark Mining Inc; 2008-08-29 to current/open; source msha-controller-operator-history