These dirt-cliffs, or "loess," to give them their scientific name, are remarkable banks of brownish-yellow loam, found largely in Northern and Western China, and rising sometimes to a height of a thousand feet.
"Historic Girls"
E. S. Brooks
loess or Inundation-mud of the Nile, Rhine, etc.
"The Student's Elements of Geology"
Sir Charles Lyell
In some parts of the valley of the Rhine the accumulation of similar loam, called in Germany "loess," has taken place on an enormous scale.
"The Student's Elements of Geology"
Sir Charles Lyell