# Relationship history for MSHA mine 1002233

Current hierarchy: **Bill  Earll → Owyhee Noble Metals LLC → Sinker Tunnel Mine Site**

- 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

- **controller_controls_mine:** Pierre  Quilliam et al → Sinker Tunnel Mine Site; 2012-05-29 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Silver Falcon Mining Inc. → Sinker Tunnel Mine Site; 2013-02-08 to 2020-04-26; source msha-controller-operator-history
- **controller_controls_operator:** Pierre  Quilliam et al → Silver Falcon Mining Inc.; 2013-02-08 to 2020-04-26; source msha-controller-operator-history
- **controller_controls_operator:** Christian  Quilliam et al → Silver Falcon Mining Inc.; 2013-02-08 to 2020-04-26; source msha-controller-operator-history
- **operator_operates_mine:** Owyhee Noble Metals LLC → Sinker Tunnel Mine Site; 2020-04-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bill  Earll → Sinker Tunnel Mine Site; 2020-04-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bill  Earll → Owyhee Noble Metals LLC; 2020-04-27 to current/open; source msha-controller-operator-history