# Relationship history for MSHA mine 5100254

Current hierarchy: **Nan Chul Patrick"  Shin" → Nan, Inc. → Mobile Crusher One Jaw Crusher**

- 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:** Frederick G  Lam et al → Mobile Crusher One Jaw Crusher; 2000-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Christian D  Twigg Smith → Mobile Crusher One Jaw Crusher; 2003-05-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** CTS Earthmoving Inc → Mobile Crusher One Jaw Crusher; 2005-05-23 to 2012-07-12; source msha-controller-operator-history
- **controller_controls_operator:** Christian D  Twigg Smith → CTS Earthmoving Inc; 2005-05-23 to 2012-07-12; source msha-controller-operator-history
- **operator_operates_mine:** Keauhou Kona Construction Corp → Mobile Crusher One Jaw Crusher; 2012-07-13 to 2012-09-19; source msha-controller-operator-history
- **controller_controls_operator:** Frederick G  Lam et al → Keauhou Kona Construction Corp; 2012-07-13 to 2012-09-19; source msha-controller-operator-history
- **operator_operates_mine:** Nan, Inc. → Mobile Crusher One Jaw Crusher; 2012-09-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Fooney  Freestone et al → Mobile Crusher One Jaw Crusher; 2012-09-20 to 2022-08-18; source msha-controller-operator-history
- **controller_controls_operator:** Fooney  Freestone et al → Nan, Inc.; 2012-09-20 to 2022-08-18; source msha-controller-operator-history
- **controller_controls_operator:** Lane  Uchimura et al → Nan, Inc.; 2012-09-20 to 2022-08-18; source msha-controller-operator-history
- **controller_controls_mine:** Nan Chul Patrick"  Shin" → Mobile Crusher One Jaw Crusher; 2022-08-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nan Chul Patrick"  Shin" → Nan, Inc.; 2022-08-19 to current/open; source msha-controller-operator-history