# Relationship history for MSHA mine 1401619

Current hierarchy: **Terry W  Hacker; Larry  Hacker → Mid-States Sand LLC → Mid-States Sand LLC**

- 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:** Mid-States Dredging & Material Co., Inc. → Mid-States Sand LLC; 2002-06-03 to 2004-08-15; source msha-controller-operator-history
- **controller_controls_mine:** LARRY  SPURGEON → Mid-States Sand LLC; 2002-06-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** LARRY  SPURGEON → Mid-States Dredging & Material Co., Inc.; 2002-06-03 to 2004-08-15; source msha-controller-operator-history
- **operator_operates_mine:** Mid-States Sand & Gravel LLC → Mid-States Sand LLC; 2004-08-16 to 2007-05-17; source msha-controller-operator-history
- **controller_controls_mine:** Larry  Hacker et al → Mid-States Sand LLC; 2004-08-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Larry  Hacker et al → Mid-States Sand & Gravel LLC; 2004-08-16 to 2007-05-17; source msha-controller-operator-history
- **controller_controls_operator:** Terry W  Hacker et al → Mid-States Sand & Gravel LLC; 2004-08-16 to 2007-05-17; source msha-controller-operator-history
- **operator_operates_mine:** Mid-States Sand LLC → Mid-States Sand LLC; 2007-05-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Terry W  Hacker et al → Mid-States Sand LLC; 2007-05-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Terry W  Hacker et al → Mid-States Sand LLC; 2007-05-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Larry  Hacker et al → Mid-States Sand LLC; 2007-05-18 to current/open; source msha-controller-operator-history