# Relationship history for MSHA mine 4406985

Current hierarchy: **O A  Stump Jr → Double A Mining Inc → Mine No 3**

- 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:** Pittston Company → Mine No 3; 1986-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Paramont Coal Corporation → Mine No 3; 2000-03-01 to 2002-12-12; source msha-controller-operator-history
- **controller_controls_operator:** Pittston Company → Paramont Coal Corporation; 2000-03-01 to 2002-12-12; source msha-controller-operator-history
- **controller_controls_mine:** Tom  Roberts et al → Mine No 3; 2001-12-11 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Paramont Coal Company Virginia, LLC → Mine No 3; 2002-12-13 to 2003-04-22; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → Mine No 3; 2002-12-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Paramont Coal Company Virginia, LLC; 2002-12-13 to 2003-04-22; source msha-controller-operator-history
- **operator_operates_mine:** Kelly Branch Resources Incorporated → Mine No 3; 2003-04-23 to 2005-03-06; source msha-controller-operator-history
- **controller_controls_operator:** Tom  Roberts et al → Kelly Branch Resources Incorporated; 2003-04-23 to 2005-03-06; source msha-controller-operator-history
- **controller_controls_mine:** O A  Stump Jr et al → Mine No 3; 2004-04-13 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Double A Mining Inc → Mine No 3; 2005-03-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** O A  Stump Jr et al → Double A Mining Inc; 2005-03-07 to current/open; source msha-controller-operator-history