# Relationship history for MSHA mine 4003106

Current hierarchy: **Candice  Garrison → Garrison Gravel → Stantonville Operation**

- 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:** Martin Marietta Materials Inc → Stantonville Operation; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Eddie  Shaw → Stantonville Operation; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Adamsville Sand & Gravel Inc → Stantonville Operation; 1996-11-01 to 2001-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Eddie  Shaw → Adamsville Sand & Gravel Inc; 1996-11-01 to 2001-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Martin Marietta Materials Incorporated → Stantonville Operation; 2001-06-01 to 2008-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Martin Marietta Materials Inc → Martin Marietta Materials Incorporated; 2001-06-01 to 2008-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Tennessee Materials, Corp. → Stantonville Operation; 2008-10-01 to 2015-02-04; source msha-controller-operator-history
- **controller_controls_mine:** Charles R  Smith → Stantonville Operation; 2008-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles R  Smith → Tennessee Materials, Corp.; 2008-10-01 to 2015-02-04; source msha-controller-operator-history
- **operator_operates_mine:** Garrison Gravel → Stantonville Operation; 2015-02-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Candice  Garrison → Stantonville Operation; 2015-02-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Candice  Garrison → Garrison Gravel; 2015-02-05 to current/open; source msha-controller-operator-history