# Relationship history for MSHA mine 1506733

Current hierarchy: **William K  Abraham → Pike Clean Processing, LLC → Pike Prep Plant No. 1**

- 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

- **operator_operates_mine:** T C H Coal Co Inc → Pike Prep Plant No. 1; 1950-01-01 to 1976-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Travis  Bush et al → Pike Prep Plant No. 1; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Travis  Bush et al → T C H Coal Co Inc; 1950-01-01 to 1976-03-31; source msha-controller-operator-history
- **operator_operates_mine:** T C H Coal Company Inc → Pike Prep Plant No. 1; 1976-04-01 to 1987-07-09; source msha-controller-operator-history
- **controller_controls_mine:** Massey Energy Company → Pike Prep Plant No. 1; 1976-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → T C H Coal Company Inc; 1976-04-01 to 1987-07-09; source msha-controller-operator-history
- **operator_operates_mine:** Tennessee Construction Company → Pike Prep Plant No. 1; 1987-07-10 to 1997-06-30; source msha-controller-operator-history
- **controller_controls_mine:** (Donald) Todd  Kiscaden et al → Pike Prep Plant No. 1; 1987-07-10 to 1997-06-30; source msha-controller-operator-history
- **controller_controls_operator:** (Donald) Todd  Kiscaden et al → Tennessee Construction Company; 1987-07-10 to 1997-06-30; source msha-controller-operator-history
- **controller_controls_mine:** TECO Energy Inc → Pike Prep Plant No. 1; 1988-04-26 to 2015-09-20; source msha-controller-operator-history
- **controller_controls_mine:** TECO Energy Inc → Pike Prep Plant No. 1; 1991-12-02 to 2015-09-20; source msha-controller-operator-history
- **operator_operates_mine:** Millard Processing Corp → Pike Prep Plant No. 1; 1997-07-01 to 2001-10-29; source msha-controller-operator-history
- **controller_controls_mine:** Donn A  Chickering → Pike Prep Plant No. 1; 1997-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Donn A  Chickering → Millard Processing Corp; 1997-07-01 to 2001-10-29; source msha-controller-operator-history
- **operator_operates_mine:** AEP Kentucky Coal, L. L. C. → Pike Prep Plant No. 1; 2001-10-30 to 2005-01-12; source msha-controller-operator-history
- **controller_controls_mine:** American Electric Power Company Inc → Pike Prep Plant No. 1; 2001-10-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** American Electric Power Company Inc → AEP Kentucky Coal, L. L. C.; 2001-10-30 to 2005-01-12; source msha-controller-operator-history
- **operator_operates_mine:** Premier Elkhorn Coal Company → Pike Prep Plant No. 1; 2005-01-13 to 2007-10-02; source msha-controller-operator-history
- **controller_controls_operator:** TECO Energy Inc → Premier Elkhorn Coal Company; 2005-01-13 to 2007-10-02; source msha-controller-operator-history
- **operator_operates_mine:** Clintwood Elkhorn Mining Inc → Pike Prep Plant No. 1; 2007-10-03 to 2009-09-28; source msha-controller-operator-history
- **controller_controls_operator:** TECO Energy Inc → Clintwood Elkhorn Mining Inc; 2007-10-03 to 2009-09-28; source msha-controller-operator-history
- **operator_operates_mine:** Coal Operator 1 LLC → Pike Prep Plant No. 1; 2009-09-29 to 2013-12-08; source msha-controller-operator-history
- **controller_controls_mine:** Richard L  Thacker → Pike Prep Plant No. 1; 2009-09-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Richard L  Thacker → Coal Operator 1 LLC; 2009-09-29 to 2013-12-08; source msha-controller-operator-history
- **operator_operates_mine:** Coal Essence Prep Plant LLC → Pike Prep Plant No. 1; 2013-12-09 to 2018-09-25; source msha-controller-operator-history
- **controller_controls_mine:** NewLead Holdings Ltd → Pike Prep Plant No. 1; 2013-12-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** NewLead Holdings Ltd → Coal Essence Prep Plant LLC; 2013-12-09 to 2018-09-25; source msha-controller-operator-history
- **controller_controls_mine:** James H  Booth et al → Pike Prep Plant No. 1; 2015-09-21 to 2019-06-15; source msha-controller-operator-history
- **controller_controls_operator:** James H  Booth et al → Premier Elkhorn Coal Company; 2015-09-21 to 2007-10-02; source msha-controller-operator-history
- **controller_controls_operator:** James H  Booth et al → Clintwood Elkhorn Mining Inc; 2015-09-21 to 2009-09-28; source msha-controller-operator-history
- **operator_operates_mine:** Pike Clean Processing, LLC → Pike Prep Plant No. 1; 2018-09-26 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** William K  Abraham → Pike Prep Plant No. 1; 2018-09-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William K  Abraham → Pike Clean Processing, LLC; 2018-09-26 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** J Mark  Campbell → Pike Prep Plant No. 1; 2019-06-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** J Mark  Campbell → Premier Elkhorn Coal Company; 2019-06-16 to 2007-10-02; source msha-controller-operator-history
- **controller_controls_operator:** J Mark  Campbell → Clintwood Elkhorn Mining Inc; 2019-06-16 to 2009-09-28; source msha-controller-operator-history