# Relationship history for MSHA mine 4609315

Current hierarchy: **James C  Justice II → Bluestone Industries, Inc. → Central Shop**

- 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 → Central Shop; 1950-01-01 to 2009-05-06; source msha-controller-operator-history
- **operator_operates_mine:** Bluestone Industries Inc → Central Shop; 2008-11-03 to 2009-05-07; source msha-controller-operator-history
- **controller_controls_mine:** James C  Justice II et al → Central Shop; 2008-11-03 to 2009-05-06; source msha-controller-operator-history
- **controller_controls_operator:** James C  Justice II et al → Bluestone Industries Inc; 2008-11-03 to 2009-05-06; source msha-controller-operator-history
- **controller_controls_mine:** Mechel Oao → Central Shop; 2009-05-07 to 2015-02-11; source msha-controller-operator-history
- **controller_controls_operator:** Mechel Oao → Bluestone Industries Inc; 2009-05-07 to 2009-05-07; source msha-controller-operator-history
- **operator_operates_mine:** Bluestone Coal Corporation → Central Shop; 2009-05-08 to 2010-07-31; source msha-controller-operator-history
- **controller_controls_operator:** Mechel Oao → Bluestone Coal Corporation; 2009-05-08 to 2010-07-31; source msha-controller-operator-history
- **controller_controls_operator:** James C  Justice II et al → Bluestone Coal Corporation; 2009-05-08 to 2009-05-06; source msha-controller-operator-history
- **operator_operates_mine:** Bluestone Industries, Inc. → Central Shop; 2010-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mechel Oao → Bluestone Industries, Inc.; 2010-08-01 to 2015-02-11; source msha-controller-operator-history
- **controller_controls_operator:** James C  Justice II et al → Bluestone Industries, Inc.; 2010-08-01 to 2009-05-06; source msha-controller-operator-history
- **controller_controls_mine:** James C  Justice II et al → Central Shop; 2015-02-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James C  Justice II et al → Bluestone Industries Inc; 2015-02-12 to 2009-05-07; source msha-controller-operator-history
- **controller_controls_operator:** James C  Justice II et al → Bluestone Coal Corporation; 2015-02-12 to 2010-07-31; source msha-controller-operator-history
- **controller_controls_operator:** James C  Justice II et al → Bluestone Industries, Inc.; 2015-02-12 to current/open; source msha-controller-operator-history