# Relationship history for MSHA mine 2402367

Current hierarchy: **Donald J  Harris; Donald L  Harris → Harris Enterprises LLP → Harris Sand & Gravel**

- 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

- **operator_operates_mine:** Harris Sand & Gravel → Harris Sand & Gravel; 2004-06-03 to 2008-10-06; source msha-controller-operator-history
- **controller_controls_mine:** Donald J  Harris et al → Harris Sand & Gravel; 2004-06-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Donald J  Harris et al → Harris Sand & Gravel; 2004-06-03 to 2008-10-06; source msha-controller-operator-history
- **controller_controls_operator:** Donald L  Harris et al → Harris Sand & Gravel; 2004-06-03 to 2008-10-06; source msha-controller-operator-history
- **operator_operates_mine:** Harris Enterprises LLP → Harris Sand & Gravel; 2008-10-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Donald J  Harris et al → Harris Sand & Gravel; 2008-10-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Donald J  Harris et al → Harris Enterprises LLP; 2008-10-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Donald L  Harris et al → Harris Enterprises LLP; 2008-10-07 to current/open; source msha-controller-operator-history