Author: Roberts, Frank H.H.
Title: Early Pueblo ruins in the Piedra District, Southwestern Colorado.
Description: Washington, 1930. IX,190 pp. 55 plts & 40 text-figs. Soft cover. - Stamp on frontcover & title-page. (Smithsonian. Inst. Bur. Am. Ethn. Bull. 96).

Keywords: Archaeology America Colorado Archeologie Amerika