# Relationship history for MSHA mine 2103027

Current hierarchy: **Brent  Carron → Valley Paving, Inc. → HANSEN 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:** Valley Paving, Inc. → HANSEN PIT; 1991-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Richard A  Carron → HANSEN PIT; 1991-04-01 to 2024-10-17; source msha-controller-operator-history
- **controller_controls_operator:** Richard A  Carron → Valley Paving, Inc.; 1991-04-01 to 2024-10-17; source msha-controller-operator-history
- **controller_controls_mine:** Brent  Carron → HANSEN PIT; 2024-10-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brent  Carron → Valley Paving, Inc.; 2024-10-18 to current/open; source msha-controller-operator-history