# Relationship history for MSHA mine 2602658

Current hierarchy: **Manhattan Gulch Partners LLC → Manhattan Gulch, LLC → Manhattan Gulch**

- 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:** Peter  Abt → Manhattan Gulch; 1978-04-12 to 2016-03-30; source msha-controller-operator-history
- **operator_operates_mine:** A.U. Mines, Inc. → Manhattan Gulch; 2012-03-17 to 2017-06-14; source msha-controller-operator-history
- **controller_controls_operator:** Peter  Abt → A.U. Mines, Inc.; 2012-03-17 to 2016-03-30; source msha-controller-operator-history
- **controller_controls_mine:** Margaret  Abt → Manhattan Gulch; 2016-03-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Margaret  Abt → A.U. Mines, Inc.; 2016-03-31 to 2017-06-14; source msha-controller-operator-history
- **operator_operates_mine:** Manhattan Gulch, LLC → Manhattan Gulch; 2017-06-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Manhattan Gulch Partners LLC et al → Manhattan Gulch; 2017-06-15 to 2025-11-30; source msha-controller-operator-history
- **controller_controls_operator:** Manhattan Gulch Partners LLC et al → Manhattan Gulch, LLC; 2017-06-15 to 2025-11-30; source msha-controller-operator-history
- **controller_controls_operator:** AU Mines Inc et al → Manhattan Gulch, LLC; 2017-06-15 to 2025-11-30; source msha-controller-operator-history
- **controller_controls_mine:** Manhattan Gulch Partners LLC → Manhattan Gulch; 2025-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Manhattan Gulch Partners LLC → Manhattan Gulch, LLC; 2025-12-01 to current/open; source msha-controller-operator-history