# Relationship history for MSHA mine 4608813

Current hierarchy: **James H  Booth → Southeastern Land LLC → Big Dragon Deep 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:** Amvest Corporation → Big Dragon Deep Mine; 1993-08-01 to 2007-07-31; source msha-controller-operator-history
- **controller_controls_mine:** Pittston Company → Big Dragon Deep Mine; 1994-01-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Vandalia Resources Inc → Big Dragon Deep Mine; 1999-11-01 to 2002-01-07; source msha-controller-operator-history
- **controller_controls_operator:** Pittston Company → Vandalia Resources Inc; 1999-11-01 to 2002-01-07; source msha-controller-operator-history
- **operator_operates_mine:** Fola Coal Company, LLC → Big Dragon Deep Mine; 2002-01-08 to 2016-09-21; source msha-controller-operator-history
- **controller_controls_operator:** Amvest Corporation → Fola Coal Company, LLC; 2002-01-08 to 2007-07-31; source msha-controller-operator-history
- **controller_controls_mine:** CONSOL Energy Inc → Big Dragon Deep Mine; 2007-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CONSOL Energy Inc → Fola Coal Company, LLC; 2007-08-01 to 2016-09-21; source msha-controller-operator-history
- **controller_controls_mine:** James H  Booth et al → Big Dragon Deep Mine; 2016-08-02 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Southeastern Land LLC → Big Dragon Deep Mine; 2016-09-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James H  Booth et al → Southeastern Land LLC; 2016-09-22 to current/open; source msha-controller-operator-history