# Relationship history for MSHA mine 1516433

Current hierarchy: **Meral  Williams → James H. Taylor Mining, Inc. → Mine No. 2**

- 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:** P B & G Mining Inc → Mine No. 2; 1988-08-01 to 2004-05-19; source msha-controller-operator-history
- **controller_controls_mine:** Canterbury Percy → Mine No. 2; 1988-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Canterbury Percy → P B & G Mining Inc; 1988-08-01 to 2004-05-19; source msha-controller-operator-history
- **controller_controls_mine:** Meral  Williams et al → Mine No. 2; 1996-09-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** James H. Taylor Mining, Inc. → Mine No. 2; 2004-05-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Meral  Williams et al → James H. Taylor Mining, Inc.; 2004-05-20 to current/open; source msha-controller-operator-history