# Relationship history for MSHA mine 4503625

Current hierarchy: **Ted G.  Mitchell; Bonnie S.  Mitchell → Mitchell Trucking and Paving, Inc. → Mitchell 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:** Mitchell Trucking and Paving, Inc. → Mitchell Pit; 2007-02-26 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bonnie S.  Mitchell et al → Mitchell Pit; 2007-02-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bonnie S.  Mitchell et al → Mitchell Trucking and Paving, Inc.; 2007-02-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ted G.  Mitchell et al → Mitchell Trucking and Paving, Inc.; 2007-02-26 to current/open; source msha-controller-operator-history