# Relationship history for MSHA mine 5001714

Current hierarchy: **Seldovia Native Association Inc → Brechan Construction LLC → Mobile Crusher #1**

- 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:** F & R Incorporated → Mobile Crusher #1; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Brechan Enterprises Inc → Mobile Crusher #1; 2002-01-15 to 2016-02-23; source msha-controller-operator-history
- **controller_controls_operator:** F & R Incorporated → Brechan Enterprises Inc; 2002-01-15 to 2016-02-23; source msha-controller-operator-history
- **operator_operates_mine:** Brechan Construction LLC → Mobile Crusher #1; 2016-02-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James  Graham et al → Mobile Crusher #1; 2016-02-24 to 2023-06-30; source msha-controller-operator-history
- **controller_controls_operator:** James  Graham et al → Brechan Construction LLC; 2016-02-24 to 2023-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Michael R  Martin et al → Brechan Construction LLC; 2016-02-24 to 2023-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Jascha J  Zbitnoff et al → Brechan Construction LLC; 2016-02-24 to 2023-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Seldovia Native Association Inc → Mobile Crusher #1; 2023-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Seldovia Native Association Inc → Brechan Construction LLC; 2023-07-01 to current/open; source msha-controller-operator-history