1.  That ship had suddenly disappeared in placid waters without trace.

2.  ...the placid waters of Lake Erie.

3.  All three species stay each year until warm-weather boat traffic drives them to more placid waters further north.

4.  Americans are driving more, flying less, and taking scenic cruises in placid North American waters instead of far-off foreign seas.

5.  A canoe trip is the best way to experience the quiet beauty of the placid brown waters, tinted by tannin and decaying pine needles.

6.  A tap is all it takes to navigate these placid waters.

7.  But others found the placid waters of golf course ponds suitable, and even nested in sand traps.

8.  On placid water, the sensation is one of gliding across a plain of Jell-O on a toboggan.

9.  One last night on our way back to Anchorage was devoted to tenting at Lake Louise, where we spotted a solitary loon on the placid water.

10.  Only a few boats hang behind the bright orange moorings scattered across the placid water.