# Relationship history for MSHA mine 4202707

Current hierarchy: **Shari  Jensen; Tate  Jensen → TSJ CONSTRUCTION → TSJ CRUSHER #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

- **operator_operates_mine:** TSJ Construction → TSJ CRUSHER #1; 2020-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Tate  Jensen et al → TSJ CRUSHER #1; 2020-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tate  Jensen et al → TSJ Construction; 2020-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Shari  Jensen et al → TSJ Construction; 2020-04-01 to current/open; source msha-controller-operator-history