# Relationship history for MSHA mine 4608739

Current hierarchy: **James E  Trent → Century Energy Corp → Mine No 2**

- 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:** Dennis G  Cook → Mine No 2; 1998-01-01 to 1999-04-30; source msha-controller-operator-history
- **operator_operates_mine:** Blue Falcon Mining Inc → Mine No 2; 1998-09-01 to 1999-04-30; source msha-controller-operator-history
- **controller_controls_operator:** Dennis G  Cook → Blue Falcon Mining Inc; 1998-09-01 to 1999-04-30; source msha-controller-operator-history
- **operator_operates_mine:** P I T A Mining Inc → Mine No 2; 1999-05-01 to 2000-10-31; source msha-controller-operator-history
- **controller_controls_mine:** J Maurice  Des Rosier → Mine No 2; 1999-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** J Maurice  Des Rosier → P I T A Mining Inc; 1999-05-01 to 2000-10-31; source msha-controller-operator-history
- **controller_controls_mine:** Dennis G  Cook → Mine No 2; 2000-05-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jimmy  Williams et al → Mine No 2; 2000-07-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James E  Trent → Mine No 2; 2000-08-31 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** P I T A Mining Inc → Mine No 2; 2000-11-01 to 2001-04-09; source msha-controller-operator-history
- **controller_controls_operator:** Dennis G  Cook → P I T A Mining Inc; 2000-11-01 to 2001-04-09; source msha-controller-operator-history
- **operator_operates_mine:** K & J Energy Inc → Mine No 2; 2001-04-10 to 2001-04-12; source msha-controller-operator-history
- **controller_controls_operator:** Jimmy  Williams et al → K & J Energy Inc; 2001-04-10 to 2001-04-12; source msha-controller-operator-history
- **operator_operates_mine:** Century Energy Corp → Mine No 2; 2001-04-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James E  Trent → Century Energy Corp; 2001-04-13 to current/open; source msha-controller-operator-history