# Relationship history for MSHA mine 4607479

Current hierarchy: **Chris  Cline → Robin Resources Inc → Mine No 7**

- 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:** Awv Finance Corp Et Al → Mine No 7; 1980-01-30 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Long Branch Energy → Mine No 7; 1988-03-01 to 1989-02-28; source msha-controller-operator-history
- **controller_controls_operator:** Awv Finance Corp Et Al → Long Branch Energy; 1988-03-01 to 1989-02-28; source msha-controller-operator-history
- **operator_operates_mine:** Long Branch Energy → Mine No 7; 1989-03-01 to 1990-01-14; source msha-controller-operator-history
- **controller_controls_mine:** Long Branch Energy Corporation → Mine No 7; 1989-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Long Branch Energy Corporation → Long Branch Energy; 1989-03-01 to 1990-01-14; source msha-controller-operator-history
- **operator_operates_mine:** Hart-Hat Coal Company Inc → Mine No 7; 1990-01-15 to 1996-07-21; source msha-controller-operator-history
- **controller_controls_mine:** James E  Hatfield et al → Mine No 7; 1990-01-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James E  Hatfield et al → Hart-Hat Coal Company Inc; 1990-01-15 to 1996-07-21; source msha-controller-operator-history
- **controller_controls_operator:** Richard T  Hatfield et al → Hart-Hat Coal Company Inc; 1990-01-15 to 1996-07-21; source msha-controller-operator-history
- **controller_controls_mine:** Chris  Cline → Mine No 7; 1994-02-23 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Robin Resources Inc → Mine No 7; 1996-07-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Chris  Cline → Robin Resources Inc; 1996-07-22 to current/open; source msha-controller-operator-history