# Relationship history for MSHA mine 1518665

Current hierarchy: **Pamela J  Allen → Sly Branch Energy, Inc. → #5**

- 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:** Pamela J  Allen → #5; 1999-02-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Sly Branch Energy, Inc. → #5; 2003-09-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pamela J  Allen → Sly Branch Energy, Inc.; 2003-09-10 to current/open; source msha-controller-operator-history