Description: Floyd Gray type sherds originally published in Colton, Harold S. (1958) Pottery Types of the Southwest: Wares 14, 15, 16, 17, and 18: Revised Descriptions, Alameda Brown Ware, Tizon Brown Ware, Lower Colorado Buff Ware, Prescott Gray Ware, San Francisco Mountain Gray Ware. Museum of Northern Arizona Ceramic Series No. 3D, Flagstaff.