# Relationship history for MSHA mine 5000998

Current hierarchy: **Karl  Hanneman → Alaska Placer Development Inc → Livengood Bench**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Asamera Minerals (Us) Inc → Livengood Bench; 1950-01-01 to 1981-04-14; source msha-controller-operator-history
- **controller_controls_mine:** Asamera Resources Inc → Livengood Bench; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Asamera Resources Inc → Asamera Minerals (Us) Inc; 1950-01-01 to 1981-04-14; source msha-controller-operator-history
- **controller_controls_mine:** Canadian Natural Resources Ltd → Livengood Bench; 1979-04-01 to 1983-08-24; source msha-controller-operator-history
- **operator_operates_mine:** Canadian Natural Resources Ltd → Livengood Bench; 1981-04-15 to 1983-08-24; source msha-controller-operator-history
- **controller_controls_operator:** Canadian Natural Resources Ltd → Canadian Natural Resources Ltd; 1981-04-15 to 1983-08-24; source msha-controller-operator-history
- **operator_operates_mine:** Galaxy Minerals Inc → Livengood Bench; 1983-08-25 to 1985-07-08; source msha-controller-operator-history
- **controller_controls_mine:** Angus J  Mc Dougall → Livengood Bench; 1983-08-25 to 1985-07-08; source msha-controller-operator-history
- **controller_controls_operator:** Angus J  Mc Dougall → Galaxy Minerals Inc; 1983-08-25 to 1985-07-08; source msha-controller-operator-history
- **operator_operates_mine:** Alaska Placer Development Inc → Livengood Bench; 1985-07-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Karl  Hanneman → Livengood Bench; 1985-07-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Karl  Hanneman → Alaska Placer Development Inc; 1985-07-09 to current/open; source msha-controller-operator-history