# Relationship history for MSHA mine 1512682

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:** Bow Valley Industries Ltd → Crockett; 1980-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Bow Valley Coal (Ky) Inc → Crockett; 1981-01-01 to 1987-02-15; source msha-controller-operator-history
- **controller_controls_operator:** Bow Valley Industries Ltd → Bow Valley Coal (Ky) Inc; 1981-01-01 to 1987-02-15; source msha-controller-operator-history
- **operator_operates_mine:** Crockett Collieries (Ky) Inc → Crockett; 1987-02-16 to 1995-08-14; source msha-controller-operator-history
- **controller_controls_mine:** Great Western Resources Inc → Crockett; 1987-02-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Great Western Resources Inc → Crockett Collieries (Ky) Inc; 1987-02-16 to 1995-08-14; source msha-controller-operator-history
- **controller_controls_mine:** Charles  Collins → Crockett; 1992-02-05 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Crockett Collieries (Ky) Inc → Crockett; 1995-08-15 to 1998-05-31; source msha-controller-operator-history
- **controller_controls_mine:** George E  Barker → Crockett; 1995-08-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** George E  Barker → Crockett Collieries (Ky) Inc; 1995-08-15 to 1998-05-31; source msha-controller-operator-history
- **operator_operates_mine:** C C Coal Company → Crockett; 1998-06-01 to 2000-06-19; source msha-controller-operator-history
- **controller_controls_mine:** Horizon Natural Resources Incorporated → Crockett; 1998-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Horizon Natural Resources Incorporated → C C Coal Company; 1998-06-01 to 2000-06-19; source msha-controller-operator-history
- **operator_operates_mine:** Calvary Coal Company Inc → Crockett; 2000-06-20 to 2001-01-15; source msha-controller-operator-history
- **controller_controls_operator:** Charles  Collins → Calvary Coal Company Inc; 2000-06-20 to 2001-01-15; source msha-controller-operator-history
- **operator_operates_mine:** Chas Coal Llc → Crockett; 2001-01-16 to 2005-01-13; source msha-controller-operator-history
- **controller_controls_mine:** Marnat Energy Inc et al → Crockett; 2001-01-16 to 2008-04-22; source msha-controller-operator-history
- **controller_controls_operator:** Marnat Energy Inc et al → Chas Coal Llc; 2001-01-16 to 2005-01-13; source msha-controller-operator-history
- **operator_operates_mine:** Century Operations LLC → Crockett; 2005-01-14 to 2007-12-06; source msha-controller-operator-history
- **controller_controls_mine:** Broe Companies Inc → Crockett; 2005-01-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Broe Companies Inc → Century Operations LLC; 2005-01-14 to 2007-12-06; source msha-controller-operator-history
- **operator_operates_mine:** Covol Fuels No. 3, LLC → Crockett; 2007-12-07 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
- **controller_controls_operator:** Headwaters Inc → Covol Fuels No. 3, LLC; 2007-12-07 to 2012-06-28; source msha-controller-operator-history
- **controller_controls_mine:** Broe Companies Inc → Crockett; 2008-04-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Broe Companies Inc → Chas Coal Llc; 2008-04-23 to 2005-01-13; 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