# Relationship history for MSHA mine 0505123

Current hierarchy: **Lance J Baller → Titan Au, Inc. → Box Creek Placer**

- 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:** Titan Au, Inc. → Box Creek Placer; 2020-03-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lance J Baller → Box Creek Placer; 2020-03-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lance J Baller → Titan Au, Inc.; 2020-03-25 to current/open; source msha-controller-operator-history