41.   Vaughan fell into line and followed the other tanks along a dirt road, but they churned up a dust cloud that was impossible to see through.

42.   Yet here the Giants were, peering through their dust cloud at the second-place Dodgers.

43.   A massive dust cloud was blowing overhead, carrying paper and other debris from the blast site.

44.   After more than a dozen dynamite blasts, the brick building slowly collapsed in a wave, sending a giant dust cloud for blocks.

45.   Astronomers have found a mysterious dust cloud far outside our solar system that may be giving birth to a planet in distant orbit around a dying sun.

46.   Because of the storm and the warming of dust clouds around Mars, Zurek said it is expected that the upper atmosphere will rise slightly.

47.   Danang is under a constant dust cloud as construction crews widen roads, and scaffolding covers many new homes along the roadside.

48.   Developers were also told to take steps to ensure that construction work did not result in kicking up dust clouds that would worsen the situation.

49.   Dust clouds reduce visibility to zero.

50.   In summer, dust clouds spin across the fields that may later produce a slim harvest of wheat.