# Relationship history for MSHA mine 4300282

Current hierarchy: **Diane K  Cote → Cote Sand & Gravel Inc → REED'S 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:** Cornelius F Reed → REED'S PIT; 1950-01-01 to 1985-09-17; source msha-controller-operator-history
- **controller_controls_mine:** Cornelius F  Reed → REED'S PIT; 1950-01-01 to 1985-09-17; source msha-controller-operator-history
- **controller_controls_operator:** Cornelius F  Reed → Cornelius F Reed; 1950-01-01 to 1985-09-17; source msha-controller-operator-history
- **operator_operates_mine:** Cote Sand & Gravel Inc → REED'S PIT; 1985-09-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Diane K  Cote → REED'S PIT; 1985-09-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Diane K  Cote → Cote Sand & Gravel Inc; 1985-09-18 to current/open; source msha-controller-operator-history