Southeastern Colorado was known as the northernmost boundary of New Spain in the sixteenth century. By the late 1800s, the region was U.S. territory, but the majority of settlers remained Hispanic families. They had a complex history of interaction with indigenous populations in the area and adopted many of the indigenous methods of survival in this difficult environment. Today their descendants compose a vocal part of the Hispanic population of Colorado. Bonnie J. Clark investigates the unwritten history of this unique Hispanic population. Combining archaeological research, contemporary ethno.