Complex sentence: The Morley party emptied the wagons of their grain and then loaded three of the bodies for transport to Nephi, Utah (Clark's body later being found by a relative) and as the party readied to move on, numerous Utes appeared on the hillside.
Split into simpler sentences: The Morley party emptied the wagons of their grain and the loaded the bodies for transport to Nephi, Utah. As the party readied to move on, numerous Utes appeared on the hillside.