The Luis Maria Baca Grant No. 4, south of Crestone, Colorado, was a large land grant made in 1860 by the United States to the heirs of the original Vegas Grandes Grant at Las Vegas, New Mexico. Title to the grant at Las Vegas was clouded by a second grant of the same land. The Baca heirs were offered alternative lands from the public lands of the United States. The largest of the tracts selected, near what is now Crestone, was 12.5 miles (20.1 km) on a side and was located to the south of what is now Saguache County Road T, about 1-mile (1.6 km) south of the 38th parallel. The Bacas deeded the land to their attorney, but it soon passed by tax sale to a third party. The ranch headquarters was on Crestone Creek to the southwest of Crestone. The Baca Grant was one of the first large tracts of