# Relationship history for MSHA mine 3003884

Current hierarchy: **Jon  Longhouse; Donald J  Harrington → Longhouse Estate Inc. → Longhouse Estate Inc.**

- 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:** Longhouse Estate Inc. → Longhouse Estate Inc.; 2013-05-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Donald J  Harrington et al → Longhouse Estate Inc.; 2013-05-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Donald J  Harrington et al → Longhouse Estate Inc.; 2013-05-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jon  Longhouse et al → Longhouse Estate Inc.; 2013-05-14 to current/open; source msha-controller-operator-history