Alma 2:38

And it came to pass that many died in the wilderness of their wounds, and were devoured by those beasts, and also the vultures of the air; and their bones have been found, and have been heaped up on the earth.

Many died in the wilderness from their wounds. They were eaten by the wild animals and by vultures. Their bones were found and piled up on the ground.

Many died in the wilderness from their wounds. Others were torn apart by wild animals or picked clean by vultures. Their bones were later found, piled up across the earth.