SDCL § 45-4-10: Location certificate--Surface ground included and excluded.

The location or location certificate of any lode claim includes all surface ground within the surface lines of the lode claim and all lodes and ledges throughout their entire depth, the top or apex of which lie inside of the lode claim lines extended vertically and including parts of the lodes or ledges as they continue by dip beyond the side lines of the claim. The lode claim does not include any portion of such lodes or ledges beyond the end lines of the claim or the end lines continued, whether by dip or otherwise, or beyond the side lines in any other manner than by the dip of the lode.