Jackson Clark, a leading authority on Navajo weaving, will give a free lecture on January 6 from 5-7 pm. Clark, a founding member and former officer of the Indian Arts and Crafts Association, has worked for decades to promote authentic Native American arts and crafts. A large collection of Navajo rugs, vintage and contemporary, from various artists and locations on the Navajo Reservation are available throughout the year at Sorrel Sky Santa Fe.