Colo. Rev. Stat. § 36-5-103
In addition to the matters contained in other applications for the sales of state lands, applications under this article shall contain and be accompanied by proof, satisfactory to the state board of land commissioners and conclusive beyond reasonable doubt, of the applicant's qualifications and the affidavit of the applicant that such application is made in good faith for the purpose of acquiring the land for himself only and for the purpose of settling upon or improving the same. No person shall be entitled or allowed to make more than one application under this article, and no application shall include more land than the applicant shall estimate to be worth seven thousand five hundred dollars. The lands purchased under this article need not be contiguous if the state board of land commissioners approves a sale of noncontiguous lands.
C.R.S. § 36-5-103