# Relationship history for MSHA mine 3608104

Current hierarchy: **Harthan David → Harco Consolidated Inc → Peanut Mine**

- 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:** K-Lee Coal Inc → Peanut Mine; 1989-08-01 to 1991-06-05; source msha-controller-operator-history
- **controller_controls_mine:** K-Lee Coal Inc → Peanut Mine; 1989-08-01 to 1991-06-05; source msha-controller-operator-history
- **controller_controls_operator:** K-Lee Coal Inc → K-Lee Coal Inc; 1989-08-01 to 1991-06-05; source msha-controller-operator-history
- **operator_operates_mine:** Harco Consolidated Inc → Peanut Mine; 1991-06-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Harthan David → Peanut Mine; 1991-06-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Harthan David → Harco Consolidated Inc; 1991-06-06 to current/open; source msha-controller-operator-history