# Relationship history for MSHA mine 1517224

Current hierarchy: **Alpha Natural Resources Holdings, Inc → Enterprise Mining Company LLC → Faith Mine**

- 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:** Goebel  Zeller et al → Faith Mine; 1974-09-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Florida Progress Corporation → Faith Mine; 1989-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Kentucky May Coal Company Inc → Faith Mine; 1992-04-01 to 1993-01-11; source msha-controller-operator-history
- **controller_controls_operator:** Florida Progress Corporation → Kentucky May Coal Company Inc; 1992-04-01 to 1993-01-11; source msha-controller-operator-history
- **operator_operates_mine:** Faith Coal Sales Inc → Faith Mine; 1993-01-12 to 2003-01-05; source msha-controller-operator-history
- **controller_controls_operator:** Goebel  Zeller et al → Faith Coal Sales Inc; 1993-01-12 to 2003-01-05; source msha-controller-operator-history
- **controller_controls_operator:** Bill R  Wallace et al → Faith Coal Sales Inc; 1993-01-12 to 2003-01-05; source msha-controller-operator-history
- **controller_controls_mine:** Progress Energy Inc → Faith Mine; 2000-11-30 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Kentucky May Mining → Faith Mine; 2003-01-06 to 2003-11-13; source msha-controller-operator-history
- **controller_controls_operator:** Progress Energy Inc → Kentucky May Mining; 2003-01-06 to 2003-11-13; source msha-controller-operator-history
- **controller_controls_mine:** Amfire LLC → Faith Mine; 2003-01-31 to 2003-01-31; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → Faith Mine; 2003-02-01 to 2016-07-25; source msha-controller-operator-history
- **operator_operates_mine:** Kentucky May Coal Co.,Inc. → Faith Mine; 2003-11-14 to 2006-04-30; source msha-controller-operator-history
- **controller_controls_operator:** Progress Energy Inc → Kentucky May Coal Co.,Inc.; 2003-11-14 to 2006-04-30; source msha-controller-operator-history
- **operator_operates_mine:** Enterprise Mining Company LLC → Faith Mine; 2006-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Enterprise Mining Company LLC; 2006-05-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Amfire LLC → Enterprise Mining Company LLC; 2006-05-01 to 2003-01-31; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources Holdings, Inc → Faith Mine; 2016-07-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Enterprise Mining Company LLC; 2016-07-26 to current/open; source msha-controller-operator-history