# Relationship history for MSHA mine 1102838

Current hierarchy: **Schlueter Floyd A-Larry Eckert → Midwest Resources #1 Inc → Midwest Resources #1**

- 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:** Midwest Resources #1 Inc → Midwest Resources #1; 1986-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Schlueter Floyd A-Larry Eckert Et Al → Midwest Resources #1; 1986-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Schlueter Floyd A-Larry Eckert Et Al → Midwest Resources #1 Inc; 1986-01-01 to current/open; source msha-controller-operator-history