Minn. Stat. § 599.17: LAND OFFICE CERTIFICATE, EVIDENCE OF TITLE.

The certificate of the register or receiver of any United States land office, showing when, how, and by whom any lands within this state were entered under the homestead, preemption, or timber-culture laws of the United States, shall be prima facie evidence that the person named therein was at the date of such entry the owner in fee of such lands.