# Relationship history for MSHA mine 3503551

Current hierarchy: **Rendata Llc; Bruce  Burrow → Dutch Mining Llc → Martha 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Rendata Llc  et al → Martha Mine; 1995-05-08 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Coyote Creek Metallurgy Inc. → Martha Mine; 2002-01-23 to 2002-08-13; source msha-controller-operator-history
- **controller_controls_mine:** John H Miller → Martha Mine; 2002-01-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John H Miller → Coyote Creek Metallurgy Inc.; 2002-01-23 to 2002-08-13; source msha-controller-operator-history
- **operator_operates_mine:** Dutch Mining Llc → Martha Mine; 2002-08-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rendata Llc  et al → Dutch Mining Llc; 2002-08-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bruce  Burrow  et al → Dutch Mining Llc; 2002-08-14 to current/open; source msha-controller-operator-history