# Relationship history for MSHA mine 4105528

Current hierarchy: **David  Slaughter III; Daniel  Garcia Et AL; Ignacio  Mountou → Patmo Services LLC → Notzon Pit**

- 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:** Patmo Services LLC → Notzon Pit; 2020-10-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** David  Slaughter III  Et Al → Notzon Pit; 2020-10-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David  Slaughter III  Et Al → Patmo Services LLC; 2020-10-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniel  Garcia Et AL → Patmo Services LLC; 2020-10-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ignacio  Mountou Et Al → Patmo Services LLC; 2020-10-05 to current/open; source msha-controller-operator-history