# Relationship history for MSHA mine 4406744

Current hierarchy: **Metinvest B V → Black Diamond Company → Bee Tree 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:** United  Company → Bee Tree Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Southern Mining Co → Bee Tree Mine; 1985-11-27 to 2006-01-01; source msha-controller-operator-history
- **controller_controls_mine:** Eddie  Skeens  et al → Bee Tree Mine; 1987-06-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Gary A  Horn → Bee Tree Mine; 1991-07-11 to 2001-01-28; source msha-controller-operator-history
- **operator_operates_mine:** Wellmore Coal Corp → Bee Tree Mine; 1993-07-01 to 1993-10-13; source msha-controller-operator-history
- **controller_controls_operator:** United  Company → Wellmore Coal Corp; 1993-07-01 to 1993-10-13; source msha-controller-operator-history
- **operator_operates_mine:** Falcon Coal Corp → Bee Tree Mine; 1993-10-14 to 1998-04-04; source msha-controller-operator-history
- **controller_controls_operator:** Eddie  Skeens  et al → Falcon Coal Corp; 1993-10-14 to 1998-04-04; source msha-controller-operator-history
- **controller_controls_operator:** Jerry  Skeens  et al → Falcon Coal Corp; 1993-10-14 to 1998-04-04; source msha-controller-operator-history
- **operator_operates_mine:** Upper Mill Mining Company → Bee Tree Mine; 1998-04-05 to 2001-01-28; source msha-controller-operator-history
- **controller_controls_operator:** Gary A  Horn → Upper Mill Mining Company; 1998-04-05 to 2001-01-28; source msha-controller-operator-history
- **operator_operates_mine:** Bee Tree Coal Corp → Bee Tree Mine; 2001-01-29 to 2005-01-13; source msha-controller-operator-history
- **controller_controls_mine:** Sam  Blankenship → Bee Tree Mine; 2001-01-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sam  Blankenship → Bee Tree Coal Corp; 2001-01-29 to 2005-01-13; source msha-controller-operator-history
- **operator_operates_mine:** Black Diamond Company → Bee Tree Mine; 2005-01-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Southern Mining Co → Black Diamond Company; 2005-01-14 to 2006-01-01; source msha-controller-operator-history
- **controller_controls_mine:** United  Company → Bee Tree Mine; 2006-01-02 to 2009-04-29; source msha-controller-operator-history
- **controller_controls_operator:** United  Company → Black Diamond Company; 2006-01-02 to 2009-04-29; source msha-controller-operator-history
- **controller_controls_mine:** Metinvest B V → Bee Tree Mine; 2009-04-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Metinvest B V → Black Diamond Company; 2009-04-30 to current/open; source msha-controller-operator-history