# Relationship history for MSHA mine 2501336

Current hierarchy: **Mick  Manley; Drew  Kleymann; Pete  Saccoman → Manmann Asphalt, LLC → Mobile Plant 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:** Manmann Asphalt, LLC → Mobile Plant 1; 2026-09-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mick  Manley et al → Mobile Plant 1; 2026-09-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mick  Manley et al → Manmann Asphalt, LLC; 2026-09-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Drew  Kleymann et al → Manmann Asphalt, LLC; 2026-09-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pete  Saccoman et al → Manmann Asphalt, LLC; 2026-09-08 to current/open; source msha-controller-operator-history