# Relationship history for MSHA mine 4407003

Current hierarchy: **Robin Roy Belcher → P.B. Dirtmovers → No 2**

- 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:** Robin Roy Belcher → No 2; 1980-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Terry L  Matney → No 2; 1984-04-16 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** TECO Energy Inc → No 2; 1988-04-26 to 2015-09-20; source msha-controller-operator-history
- **operator_operates_mine:** Matney Construction Company Inc → No 2; 2000-08-01 to 2000-10-11; source msha-controller-operator-history
- **controller_controls_mine:** Terry E  Matney → No 2; 2000-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Terry E  Matney → Matney Construction Company Inc; 2000-08-01 to 2000-10-11; source msha-controller-operator-history
- **operator_operates_mine:** P M C Coal Company Inc → No 2; 2000-10-12 to 2002-04-07; source msha-controller-operator-history
- **controller_controls_operator:** Terry L  Matney → P M C Coal Company Inc; 2000-10-12 to 2002-04-07; source msha-controller-operator-history
- **controller_controls_mine:** David  Stevenson → No 2; 2000-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Corbin Eugene  Cline → No 2; 2001-05-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Charles T  Norman → No 2; 2001-09-24 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Clintwood Elkhorn Mining, Inc. → No 2; 2002-04-08 to 2002-09-15; source msha-controller-operator-history
- **controller_controls_operator:** TECO Energy Inc → Clintwood Elkhorn Mining, Inc.; 2002-04-08 to 2002-09-15; source msha-controller-operator-history
- **operator_operates_mine:** B.C. & C. Coal, Inc. → No 2; 2002-09-16 to 2003-01-09; source msha-controller-operator-history
- **controller_controls_operator:** Corbin Eugene  Cline → B.C. & C. Coal, Inc.; 2002-09-16 to 2003-01-09; source msha-controller-operator-history
- **controller_controls_mine:** John E  Potter et al → No 2; 2002-11-07 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Sassy Coal Co, Inc. → No 2; 2003-01-10 to 2003-09-07; source msha-controller-operator-history
- **controller_controls_operator:** Charles T  Norman → Sassy Coal Co, Inc.; 2003-01-10 to 2003-09-07; source msha-controller-operator-history
- **operator_operates_mine:** L J Contracting, LLC → No 2; 2003-09-08 to 2004-07-20; source msha-controller-operator-history
- **controller_controls_operator:** John E  Potter et al → L J Contracting, LLC; 2003-09-08 to 2004-07-20; source msha-controller-operator-history
- **operator_operates_mine:** DACOAL Mining, Inc. → No 2; 2004-07-21 to 2009-09-24; source msha-controller-operator-history
- **controller_controls_operator:** David  Stevenson → DACOAL Mining, Inc.; 2004-07-21 to 2009-09-24; source msha-controller-operator-history
- **operator_operates_mine:** P.B. Dirtmovers → No 2; 2009-09-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robin Roy Belcher → P.B. Dirtmovers; 2009-09-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James H  Booth et al → No 2; 2015-09-21 to 2019-06-15; source msha-controller-operator-history
- **controller_controls_operator:** James H  Booth et al → Clintwood Elkhorn Mining, Inc.; 2015-09-21 to 2002-09-15; source msha-controller-operator-history
- **controller_controls_mine:** J Mark  Campbell → No 2; 2019-06-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** J Mark  Campbell → Clintwood Elkhorn Mining, Inc.; 2019-06-16 to 2002-09-15; source msha-controller-operator-history