# Relationship history for MSHA mine 6000016

Current hierarchy: **Soel Guerrero  Tereas; Shaolin Guerrero  Tereas → TEREAS INC → VARIOUS LOCATIONS**

- 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:** TEREAS INC → VARIOUS LOCATIONS; 2016-04-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Soel Guerrero  Tereas et al → VARIOUS LOCATIONS; 2016-04-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Soel Guerrero  Tereas et al → TEREAS INC; 2016-04-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Shaolin Guerrero  Tereas et al → TEREAS INC; 2016-04-05 to current/open; source msha-controller-operator-history