After a body was partly covered with earth in a three foot deep grave, it was densely overlaid with cholla cacti before leveling, to discourage the coyotes from digging for the body. Photos.
Records indicate that the UNM Health Sciences Library owns a copy of this item, but there may be a need to clear rights with a copyright holder prior to sharing with the public.
Source:
Dawson, EY. Some ethnobotanical notes on the Seri Indians. Desert Plant Life 1944;16:133-38.