# Relationship history for MSHA mine 4608000

Current hierarchy: **Benjamin F  Hamilton → Little Ben Trucking Co., Inc. → Three Forks Load-Out**

- 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:** James C  Justice II et al → Three Forks Load-Out; 1950-01-01 to 2009-05-06; source msha-controller-operator-history
- **controller_controls_mine:** Edward A  Asbury → Three Forks Load-Out; 1988-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Bay Star Coal Company Inc → Three Forks Load-Out; 1991-02-01 to 2001-02-19; source msha-controller-operator-history
- **controller_controls_operator:** Edward A  Asbury → Bay Star Coal Company Inc; 1991-02-01 to 2001-02-19; source msha-controller-operator-history
- **controller_controls_mine:** Michael D  Poskas → Three Forks Load-Out; 1992-10-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Postar Coal Company Inc → Three Forks Load-Out; 2001-02-20 to 2001-05-09; source msha-controller-operator-history
- **controller_controls_operator:** Michael D  Poskas → Postar Coal Company Inc; 2001-02-20 to 2001-05-09; source msha-controller-operator-history
- **operator_operates_mine:** Bluestone Coal Corp. → Three Forks Load-Out; 2001-05-10 to 2003-06-30; source msha-controller-operator-history
- **controller_controls_operator:** James C  Justice II et al → Bluestone Coal Corp.; 2001-05-10 to 2003-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Little Ben Trucking Co., Inc. → Three Forks Load-Out; 2003-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Benjamin F  Hamilton → Three Forks Load-Out; 2003-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Benjamin F  Hamilton → Little Ben Trucking Co., Inc.; 2003-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mechel Oao → Three Forks Load-Out; 2009-05-07 to 2015-02-11; source msha-controller-operator-history
- **controller_controls_operator:** Mechel Oao → Bluestone Coal Corp.; 2009-05-07 to 2003-06-30; source msha-controller-operator-history
- **controller_controls_mine:** James C  Justice II et al → Three Forks Load-Out; 2015-02-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James C  Justice II et al → Bluestone Coal Corp.; 2015-02-12 to 2003-06-30; source msha-controller-operator-history