# Relationship history for MSHA mine 4607784

Current hierarchy: **Brian  Cline → Albatross Mining Corp → Bluestone #38**

- 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

- **operator_operates_mine:** Little Bur Mining Inc → Bluestone #38; 1989-10-01 to 1995-04-09; source msha-controller-operator-history
- **controller_controls_mine:** Lyall Jerry Et Al → Bluestone #38; 1989-10-01 to 1995-04-09; source msha-controller-operator-history
- **controller_controls_operator:** Lyall Jerry Et Al → Little Bur Mining Inc; 1989-10-01 to 1995-04-09; source msha-controller-operator-history
- **operator_operates_mine:** Four Corners Corp → Bluestone #38; 1995-04-10 to 1998-05-27; source msha-controller-operator-history
- **controller_controls_mine:** James C  Justice II et al → Bluestone #38; 1995-04-10 to 2000-12-11; source msha-controller-operator-history
- **controller_controls_operator:** James C  Justice II et al → Four Corners Corp; 1995-04-10 to 1998-05-27; source msha-controller-operator-history
- **controller_controls_mine:** Brian  Cline → Bluestone #38; 1997-07-31 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Albatross Mining Corp → Bluestone #38; 1998-05-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brian  Cline → Albatross Mining Corp; 1998-05-28 to current/open; source msha-controller-operator-history