# Relationship history for MSHA mine 0101138

Current hierarchy: **Valerie  Carnes → Elmore Sand & Gravel, Inc → Scott Pit**

- 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:** Southern Ready Mix Inc → Scott Pit; 1950-01-01 to 1984-03-01; source msha-controller-operator-history
- **controller_controls_mine:** William E  Prichard Jr → Scott Pit; 1950-01-01 to 1984-03-01; source msha-controller-operator-history
- **controller_controls_operator:** William E  Prichard Jr → Southern Ready Mix Inc; 1950-01-01 to 1984-03-01; source msha-controller-operator-history
- **operator_operates_mine:** Southern Ready Mix Inc → Scott Pit; 1984-03-02 to 1986-09-14; source msha-controller-operator-history
- **controller_controls_mine:** Lohja Inc → Scott Pit; 1984-03-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lohja Inc → Southern Ready Mix Inc; 1984-03-02 to 1986-09-14; source msha-controller-operator-history
- **operator_operates_mine:** Southern Silica Inc → Scott Pit; 1986-09-15 to 1988-08-24; source msha-controller-operator-history
- **controller_controls_mine:** Charles M  Smith III → Scott Pit; 1986-09-15 to 1988-08-24; source msha-controller-operator-history
- **controller_controls_operator:** Charles M  Smith III → Southern Silica Inc; 1986-09-15 to 1988-08-24; source msha-controller-operator-history
- **operator_operates_mine:** Silica Processors Inc → Scott Pit; 1988-08-25 to 1993-06-30; source msha-controller-operator-history
- **controller_controls_mine:** John R (Reed)  Marine Jr → Scott Pit; 1988-08-25 to 1993-06-30; source msha-controller-operator-history
- **controller_controls_operator:** John R (Reed)  Marine Jr → Silica Processors Inc; 1988-08-25 to 1993-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Elmore Sand & Gravel, Inc → Scott Pit; 1993-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Billy R  Stanley → Scott Pit; 1993-07-01 to 2009-03-10; source msha-controller-operator-history
- **controller_controls_operator:** Billy R  Stanley → Elmore Sand & Gravel, Inc; 1993-07-01 to 2009-03-10; source msha-controller-operator-history
- **controller_controls_mine:** Lemuel Baylis  Carnes III → Scott Pit; 2009-03-11 to 2024-03-26; source msha-controller-operator-history
- **controller_controls_operator:** Lemuel Baylis  Carnes III → Elmore Sand & Gravel, Inc; 2009-03-11 to 2024-03-26; source msha-controller-operator-history
- **controller_controls_mine:** Valerie  Carnes → Scott Pit; 2024-03-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Valerie  Carnes → Elmore Sand & Gravel, Inc; 2024-03-27 to current/open; source msha-controller-operator-history