Colo. Rev. Stat. § 37-43-134
The president of the board of directors, or in his absence one of the other members of the board of directors of the district, shall preside at such meeting and the secretary of the board shall act as secretary of the meeting. The landowners present shall elect three of their own number to act as judges who shall determine all questions arising concerning ownership of land and the regularity and authenticity of proxies. The owners of land in the district or their duly authorized proxies shall vote by ballot containing the words "for the bonds" and "against the bonds", with spaces opposite wherein the voter may place a cross mark (X) to express his choice. Said ballot shall also have appropriate places for the signature of the voter and the number of acres of land in the district owned by the voter. Each landowner shall be entitled to cast as many votes as he has acres of land in the district. The owner of the fee title to land in the district or the owner of incomplete title to public land in the district on which a filing has been made and proceedings taken to perfect title in good faith and in full compliance with law shall be deemed to be a "landowner" for the purposes of sections 37-43-132 to 37-43-138, and all persons, corporations, partnerships, or entities owning land in the district shall be entitled to vote at said meeting in person or by their duly authorized proxy. All proxies shall be in writing and shall be acknowledged. The judges shall canvass the votes cast at any meeting held pursuant to said sections and shall certify the result thereof to the board of directors of the district.
C.R.S. § 37-43-134