sentences:  Although not an area of heavy settlement by stationary tribes such as the Puebloans, the Mora Valley was often used by nomadic nations, including the Ute, Navajo, and Apache.Hispano settlers had occupied lands within the Mora Valley without legal title ever since Governor Juan Bautista de Anza of Nuevo México (then under the authority of the Spanish Empire) made peace with the Comanches in the late 18th century, opening up the east side of the Sangre de Cristo Mountains for settlement.The Mora Valley then became a travel-way for various Spanish explorers and others.