Just a month later a third skull was found, but the bones had been trampled by cattle after being washed into a gully.
Forced to turn back, they lost their footing and were washed into a row of trees.
Captured solids are washed into a hopper when they are carried up out of the water by the rotating drum.
At some point back in deep time, a group of fish were washed into a limestone cave somewhere in northeastern Mexico.
The only known flood-related casualty in the region was a motorist who died Thursday night when he breached a barrier to a drenched road and his car was washed into a creek northwest of Philadelphia.
Critics had complained that nanodiamonds continually drifting down in micrometeorites might have been somehow concentrated in the sediment layer, perhaps by being washed into a lake.
After death, their bodies were washed into a pool and cemented in time along with the skeletons of many other animals - sabre-tooth cats, hyenas, antelope, even birds and mice.
"Taken together, the observations in McLaughlin Crater provide the best evidence for carbonate forming within a lake environment instead of being washed into a crater from outside," study lead author Joseph Michalski, of the Planetary Science Institute in Tucson, Ariz., and London's Natural History Museum, said in a statement.
TMR-F-actin was washed into a flow cell and allowed to adhere to the surface via neutravidin.
The fecal material from the 45 µm sieve was washed into a sedimentation glass, which was filled with saline and left in the dark to sediment.
