They were mummified due to the environmental conditions in the cave.
The Anasazi people were known for their basket making and they had done that for many generations. On the archaeological site approximately 2000 baskets were found. They made their own accessoriessuch as necklaces, bracelets with stones, shells and wore them.
Wilcox, C. (1999). Mummies & their mysteries. Minneapolis: Millbrook Press. Basketmaker culture. (2017, March 11).
Retrieved March 16, 2017, from https://en.m.wikipedia.org/wiki/Basketmaker_culture