# Relationship history for MSHA mine 3100425

Current hierarchy: **James A  Minton; Seth  Minton → Harrins Sand and Gravel LLC → Harrins Sand and Gravel 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: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **operator_operates_mine:** Harrins Sand Company → Harrins Sand and Gravel LLC; 1950-01-01 to 1987-07-31; source msha-controller-operator-history
- **controller_controls_mine:** Ralph H  Mabe → Harrins Sand and Gravel LLC; 1950-01-01 to 1987-07-31; source msha-controller-operator-history
- **controller_controls_operator:** Ralph H  Mabe → Harrins Sand Company; 1950-01-01 to 1987-07-31; source msha-controller-operator-history
- **operator_operates_mine:** Harrin Sand & Gravel, Inc. → Harrins Sand and Gravel LLC; 1987-08-01 to 2018-08-19; source msha-controller-operator-history
- **controller_controls_mine:** Danny L  Rice et al → Harrins Sand and Gravel LLC; 1987-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Danny L  Rice et al → Harrin Sand & Gravel, Inc.; 1987-08-01 to 2018-08-19; source msha-controller-operator-history
- **operator_operates_mine:** Harrins Sand and Gravel LLC → Harrins Sand and Gravel LLC; 2018-08-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Seth  Minton et al → Harrins Sand and Gravel LLC; 2018-08-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Seth  Minton et al → Harrins Sand and Gravel LLC; 2018-08-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James A  Minton et al → Harrins Sand and Gravel LLC; 2018-08-20 to current/open; source msha-controller-operator-history