Colorado Revised Statutes Title 34. Mineral Resources § 34-48-108. Accounting

Any owner exercising the rights and privileges granted in this article shall do so in such manner as not to interfere with the mining operations of the owner into or through whose property he seeks to go, and shall extract only such ore as is necessary in the reasonable exercise of the rights granted in this article, and all ore extracted shall be accounted for by the person exercising such rights to the owner of the property from which such ore is taken, at its gross value on the surface.