SDCL § 19-4-6: Affidavit after search of newspaper files prima facie evidence of publication of notice.

If the affidavit of publication described in § 17-2-22.1 cannot be procured, and the files of such newspaper for the period involved are available, then any person may inspect such file and make affidavit as to the facts appearing therein, and that such newspaper was at the time a legal publication, and such affidavit shall be deemed presumptive evidence of such publication as is described in such affidavit.