# Relationship history for MSHA mine 1519195

Current hierarchy: **Catalyst Resources LLC → Covol Fuels No. 3, LLC → Crockett**

- 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:** Broe Companies Inc → Crockett; 2005-01-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Headwaters Inc → Crockett; 2007-12-07 to 2012-06-28; source msha-controller-operator-history
- **operator_operates_mine:** Century Operations LLC → Crockett; 2008-03-06 to 2009-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Broe Companies Inc → Century Operations LLC; 2008-03-06 to 2009-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Charles  Collins → Crockett; 2009-05-26 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Jadco Enterprises, Inc. → Crockett; 2009-06-01 to 2010-04-11; source msha-controller-operator-history
- **controller_controls_operator:** Charles  Collins → Jadco Enterprises, Inc.; 2009-06-01 to 2010-04-11; source msha-controller-operator-history
- **operator_operates_mine:** Covol Fuels No. 3, LLC → Crockett; 2010-04-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Headwaters Inc → Covol Fuels No. 3, LLC; 2010-04-12 to 2012-06-28; source msha-controller-operator-history
- **controller_controls_mine:** Catalyst Resources LLC → Crockett; 2012-06-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Catalyst Resources LLC → Covol Fuels No. 3, LLC; 2012-06-29 to current/open; source msha-controller-operator-history