Frank J. Wilstach, comp. A Dictionary of Similes. 1916.

Cover

Covers the country as the dew.
—Anonymous

They covered mountain and valley like grasshoppers for their number.
—Pentaur

Covers it, like a stone covered in grass.
—Dante Gabriel Rossetti

Covered as thick as a pastry-cook’s shop on a Christmas-eve.
—Jonathan Swift