43 U.S.C. § 57 - U.S. Code - Unannotated Title 43. Public Lands § 57. Authenticated copies or extracts from records as evidence

Any copy of or extract from the plats, field notes, records, or other papers of the offices of the former surveyors general for the districts of Oregon and California, when authenticated by the seal and signature of the Secretary of the Interior or such officer as he may designate, shall be evidence in all cases in which the original would be evidence.