# Relationship history for MSHA mine 3402214

Current hierarchy: **Sandra Lee Williams → Williams Diversified Materials, Inc. → St. Joe**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Larry L  Bingham → St. Joe; 1950-01-01 to 2012-12-27; source msha-controller-operator-history
- **controller_controls_mine:** Sandra Lee Williams et al → St. Joe; 2012-12-28 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Williams Diversified Materials, Inc. → St. Joe; 2021-07-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sandra Lee Williams et al → Williams Diversified Materials, Inc.; 2021-07-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Larry L  Bingham → Williams Diversified Materials, Inc.; 2021-07-16 to 2012-12-27; source msha-controller-operator-history