Sec. 3931 (Mills Ann. St., Chapter 108; Colorado Laws 1891) conferred upon county commissioners an interesting power over federal lands “in the public domain”.

“…Provided, the commissioners of the county may, at any regular meeting, by an order of the board, declare any section or township line on the public domain, a public highway; and on and after the date of such order, which shall be attested by the clerk, under seal of the county, and recorded in the office of recorder of deeds, the road so laid out shall be a public highway…”