# Relationship history for MSHA mine 0405724

Current hierarchy: **Jason M Pedrotti → Pedrotti Materials LLC → Pedrotti Materials**

- 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:** David W  Swarts → Pedrotti Materials; 1994-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Swarts Reclamation → Pedrotti Materials; 2007-06-23 to 2017-05-25; source msha-controller-operator-history
- **controller_controls_operator:** David W  Swarts → Swarts Reclamation; 2007-06-23 to 2017-05-25; source msha-controller-operator-history
- **operator_operates_mine:** Pedrotti Materials LLC → Pedrotti Materials; 2017-05-26 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jason M Pedrotti → Pedrotti Materials; 2017-05-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jason M Pedrotti → Pedrotti Materials LLC; 2017-05-26 to current/open; source msha-controller-operator-history