# Relationship history for MSHA mine 2501265

Current hierarchy: **Jack G  Frahm; Richard W  Hodson → Bazile Aggregate → Plainview West**

- 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:** Bazile Aggregate → Plainview West; 2011-03-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jack G  Frahm et al → Plainview West; 2011-03-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jack G  Frahm et al → Bazile Aggregate; 2011-03-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Richard W  Hodson et al → Bazile Aggregate; 2011-03-28 to current/open; source msha-controller-operator-history