# Relationship history for MSHA mine 3610321

Current hierarchy: **Neil I  Atwell → Ben Hal Mining, Inc. → Burns Farm**

- 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:** Neil I  Atwell → Burns Farm; 2019-03-22 to 2020-02-26; source msha-controller-operator-history
- **operator_operates_mine:** Ben Hal Mining, Inc. → Burns Farm; 2020-02-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Adam  Atwell → Burns Farm; 2020-02-27 to 2022-11-15; source msha-controller-operator-history
- **controller_controls_operator:** Adam  Atwell → Ben Hal Mining, Inc.; 2020-02-27 to 2022-11-15; source msha-controller-operator-history
- **controller_controls_operator:** Neil I  Atwell → Ben Hal Mining, Inc.; 2020-02-27 to 2020-02-26; source msha-controller-operator-history
- **controller_controls_mine:** Neil I  Atwell → Burns Farm; 2022-11-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Neil I  Atwell → Ben Hal Mining, Inc.; 2022-11-16 to current/open; source msha-controller-operator-history