If the top or apex of a lode in its longitudinal course extends beyond the exterior lines of the claim at any point on the surface, or as extended vertically downward, such lode may not be followed in its longitudinal course beyond the point where it is intersected by the exterior lines.
C.R.S. § 34-43-111
Top not to be followed beyond lines
Digitized from: Public.Law — Colorado Revised Statutes. Reproduced from public-domain Colorado statutes; confirm against the official source for the current text. Not legal advice.