# Relationship history for MSHA mine 0103120

Current hierarchy: **Cooper Ashley S → Asc Marketing Inc → ASC MARKETING, INC, WARD 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:** Asc Marketing Inc → ASC MARKETING, INC, WARD PIT; 1998-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cooper Ashley S → ASC MARKETING, INC, WARD PIT; 1998-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cooper Ashley S → Asc Marketing Inc; 1998-05-01 to current/open; source msha-controller-operator-history