# Relationship history for MSHA mine 5001857

Current hierarchy: **Heatherdale Resources → Niblack Project LLC → Niblack Project LLC**

- 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:** Abacus Alaska Inc → Niblack Project LLC; 2008-03-12 to 2009-07-31; source msha-controller-operator-history
- **controller_controls_mine:** Niblack Mining Corp → Niblack Project LLC; 2008-03-12 to 2008-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Niblack Mining Corp → Abacus Alaska Inc; 2008-03-12 to 2008-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Committee Bay Resources Ltd → Niblack Project LLC; 2008-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Committee Bay Resources Ltd → Abacus Alaska Inc; 2008-10-01 to 2009-07-31; source msha-controller-operator-history
- **operator_operates_mine:** Niblack Project LLC → Niblack Project LLC; 2009-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Heatherdale Resources → Niblack Project LLC; 2009-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Heatherdale Resources → Niblack Project LLC; 2009-08-01 to current/open; source msha-controller-operator-history