I'm assuming that everyone in the pictures gave permission to the photographer to take them and use them. I'm a bit of a stickler for that sort of thing -- no Indian*, no Amish, no nobody, should be photographed without permission. And "no means no."
Each of the ceremonies probably had a religious significance; I know the corn meal did, as do the directions.
You see, in a about three weeks I'm going down the Cortez, CO to curate some Anasazi artifacts.** I've been refreshing my knowledge of Hopi and Navaho does and don't -- well, all the Pueblo peoples. As a guest I don't want to offend if I can help it.
*"Call me an Indian. Better yet, call me a Pottawatomi. But anyone born here is a "Native American." Don't call me that." -- Bill, to me, about 1998. I never knew his last name, as he said it went against his beliefs.
**I'll fly back to SLC from the cruise on Chesapeake Bay and drive right on down. Pat's going to a college reunion in Philly and then home.