# Relationship history for MSHA mine 2402356

Current hierarchy: **Kurt  Croell → Croell, Inc. → West Wash Plant #12**

- 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:** Roger  Croell → West Wash Plant #12; 1950-01-01 to 2013-12-31; source msha-controller-operator-history
- **operator_operates_mine:** JB Farley → West Wash Plant #12; 2004-03-24 to 2004-07-12; source msha-controller-operator-history
- **controller_controls_mine:** J B Farley et al → West Wash Plant #12; 2004-03-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** J B Farley et al → JB Farley; 2004-03-24 to 2004-07-12; source msha-controller-operator-history
- **controller_controls_operator:** Stacy  Farley et al → JB Farley; 2004-03-24 to 2004-07-12; source msha-controller-operator-history
- **operator_operates_mine:** Johnson Lane Materials LLC → West Wash Plant #12; 2004-07-13 to 2010-05-07; source msha-controller-operator-history
- **controller_controls_mine:** Matt  Kennedy et al → West Wash Plant #12; 2004-07-13 to 2008-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Matt  Kennedy et al → Johnson Lane Materials LLC; 2004-07-13 to 2008-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Mark  Kennedy et al → Johnson Lane Materials LLC; 2004-07-13 to 2008-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Kevin  McGovern et al → West Wash Plant #12; 2009-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kevin  McGovern et al → Johnson Lane Materials LLC; 2009-01-01 to 2010-05-07; source msha-controller-operator-history
- **controller_controls_operator:** Scott  Chester et al → Johnson Lane Materials LLC; 2009-01-01 to 2010-05-07; source msha-controller-operator-history
- **controller_controls_mine:** Scott  Chester et al → West Wash Plant #12; 2010-04-19 to 2016-07-06; source msha-controller-operator-history
- **operator_operates_mine:** Johnson Lane Materials → West Wash Plant #12; 2010-05-08 to 2017-02-23; source msha-controller-operator-history
- **controller_controls_operator:** Scott  Chester et al → Johnson Lane Materials; 2010-05-08 to 2016-07-06; source msha-controller-operator-history
- **controller_controls_operator:** Kevin  McGovern et al → Johnson Lane Materials; 2010-05-08 to 2016-07-06; source msha-controller-operator-history
- **controller_controls_mine:** Kurt  Croell → West Wash Plant #12; 2014-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kevin  McGovern → West Wash Plant #12; 2016-07-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kevin  McGovern → Johnson Lane Materials; 2016-07-07 to 2017-02-23; source msha-controller-operator-history
- **operator_operates_mine:** FirstMark Materials, LLC → West Wash Plant #12; 2017-02-24 to 2021-11-11; source msha-controller-operator-history
- **controller_controls_mine:** Mitchell  Goldsteen → West Wash Plant #12; 2017-02-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mitchell  Goldsteen → FirstMark Materials, LLC; 2017-02-24 to 2021-11-11; source msha-controller-operator-history
- **operator_operates_mine:** Croell, Inc. → West Wash Plant #12; 2021-11-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kurt  Croell → Croell, Inc.; 2021-11-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Roger  Croell → Croell, Inc.; 2021-11-12 to 2013-12-31; source msha-controller-operator-history