# Relationship history for MSHA mine 4801500

Current hierarchy: **Meredith  Reiter → Reiter Construction LLC → Cooley Pit 735-ET**

- 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:** Ray's Dirt Service Inc. → Cooley Pit 735-ET; 1991-03-01 to 2005-01-05; source msha-controller-operator-history
- **controller_controls_mine:** Raymond A  Cooley → Cooley Pit 735-ET; 1991-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Raymond A  Cooley → Ray's Dirt Service Inc.; 1991-03-01 to 2005-01-05; source msha-controller-operator-history
- **operator_operates_mine:** Reiter Construction LLC → Cooley Pit 735-ET; 2005-01-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Meredith  Reiter → Cooley Pit 735-ET; 2005-01-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Meredith  Reiter → Reiter Construction LLC; 2005-01-06 to current/open; source msha-controller-operator-history