# Relationship history for MSHA mine 3503833

Current hierarchy: **Rogers Excavating Inc; CFA 3 Inc; Peter F Adams → FARMINGTON MOBILE CRUSHING, LLC → PORTABLE #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

- **controller_controls_mine:** Farmington Landfill LLC et al → PORTABLE #1; 2013-10-30 to 2023-03-12; source msha-controller-operator-history
- **operator_operates_mine:** FARMINGTON MOBILE CRUSHING, LLC → PORTABLE #1; 2015-06-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Farmington Landfill LLC et al → FARMINGTON MOBILE CRUSHING, LLC; 2015-06-03 to 2023-03-12; source msha-controller-operator-history
- **controller_controls_operator:** Rogers Excavating Inc et al → FARMINGTON MOBILE CRUSHING, LLC; 2015-06-03 to 2023-03-12; source msha-controller-operator-history
- **controller_controls_mine:** CFA 3 Inc et al → PORTABLE #1; 2023-03-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CFA 3 Inc et al → FARMINGTON MOBILE CRUSHING, LLC; 2023-03-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Peter F Adams et al → FARMINGTON MOBILE CRUSHING, LLC; 2023-03-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rogers Excavating Inc et al → FARMINGTON MOBILE CRUSHING, LLC; 2023-03-13 to current/open; source msha-controller-operator-history