Some time passed before I felt tranquil even here: I had a vague dread that wild cattle might be near, or that some sportsman or poacher might discover me.
1921, Douglas Wilson Johnson, Battlefields of the World War, Western and Southern Fronts: A Study in Military Geography, page 262
(..)that the streams which did form were clear and tranquil because fed by perennial springs from the underground supply; and that in their tranquil waters extensive peat bogs formed.