Minn. Stat. § 599.20

Any plat of a survey of public lands, certified by the register of the United States land office of the district in which such land is situated to be a true copy of the certified copy of the original on file in the register's office, and any certificate by such register of the surveys or entry and location of, or other facts in relation to, such lands, taken from the books of such land office, or from the certificate endorsed on the copy of the original plat on file therein, are prima facie evidence of the facts therein stated. The certificate of any county surveyor or deputy shall be evidence of the facts therein stated, but may be explained or rebutted by other testimony.