# Relationship history for MSHA mine 4500603

Current hierarchy: **Albert E  DeAtley → Basin Asphalt Company → MOSES LAKE PIT & PLANT**

- 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:** Mc Atee & Heathe Inc → MOSES LAKE PIT & PLANT; 1950-01-01 to 1983-07-19; source msha-controller-operator-history
- **controller_controls_mine:** Mc Atee Frayne L → MOSES LAKE PIT & PLANT; 1950-01-01 to 1983-07-19; source msha-controller-operator-history
- **controller_controls_operator:** Mc Atee Frayne L → Mc Atee & Heathe Inc; 1950-01-01 to 1983-07-19; source msha-controller-operator-history
- **controller_controls_mine:** Albert E  DeAtley → MOSES LAKE PIT & PLANT; 1981-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Basin Asphalt Company → MOSES LAKE PIT & PLANT; 1983-07-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Albert E  DeAtley → Basin Asphalt Company; 1983-07-20 to current/open; source msha-controller-operator-history