# Relationship history for MSHA mine 0103327

Current hierarchy: **Construction Partners Inc → WIREGRASS CONSTRUCTION CO., INC. → COOSA PLANT**

- 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

- **operator_operates_mine:** Powell Sand & Gravel Inc → COOSA PLANT; 2005-07-06 to 2009-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Joe E  Powell → COOSA PLANT; 2005-07-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joe E  Powell → Powell Sand & Gravel Inc; 2005-07-06 to 2009-06-30; source msha-controller-operator-history
- **controller_controls_mine:** John  Harper → COOSA PLANT; 2008-04-23 to 2014-07-07; source msha-controller-operator-history
- **operator_operates_mine:** Allstate Coosa LLC → COOSA PLANT; 2009-07-01 to 2017-10-11; source msha-controller-operator-history
- **controller_controls_mine:** Tony  Mullet → COOSA PLANT; 2009-07-01 to 2013-12-15; source msha-controller-operator-history
- **controller_controls_operator:** Tony  Mullet → Allstate Coosa LLC; 2009-07-01 to 2013-12-15; source msha-controller-operator-history
- **controller_controls_mine:** Joe E  Powell → COOSA PLANT; 2013-12-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joe E  Powell → Allstate Coosa LLC; 2013-12-16 to 2017-10-11; source msha-controller-operator-history
- **controller_controls_mine:** Construction Partners Inc → COOSA PLANT; 2014-07-08 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Wiregrass Construction Co., Inc. → COOSA PLANT; 2017-10-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John  Harper → Wiregrass Construction Co., Inc.; 2017-10-12 to 2014-07-07; source msha-controller-operator-history
- **controller_controls_operator:** Construction Partners Inc → Wiregrass Construction Co., Inc.; 2017-10-12 to current/open; source msha-controller-operator-history