# Relationship history for MSHA mine 3004021

Current hierarchy: **Donna M Altslituh; Rick W Williams → Shaver Hill Heights LLC → Do Dad 1**

- 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

- **operator_operates_mine:** Shaver Hill Heights LLC → Do Dad 1; 2018-07-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Donna M Altslituh et al → Do Dad 1; 2018-07-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Donna M Altslituh et al → Shaver Hill Heights LLC; 2018-07-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rick W Williams et al → Shaver Hill Heights LLC; 2018-07-18 to current/open; source msha-controller-operator-history