41. Jim and Matt spot a dust cloud moving in their direction from the vicinity of Weaver. 42. A permanent asymmetric moon dust cloud exists around the Moon, created by small particles from comets. 43. A massive dust cloud was blowing overhead, carrying paper and other debris from the blast site. 44. The dust cloud beat him to the door. 45. He goes round in a circle creating a dust cloud so that it confuses the bull. 46. This would diminish the dust cloud , he said, but there could still be a water plume. 47. Pancaking heavily to the floor, the skywalks spewed a gust of wind and huge dust cloud . 48. The first Saharan dust cloud of the summer swept through South Texas on Sunday, Lambeth said. 49. One unique repeated weather phenomenon involving Mountains is a spiral dust cloud that forms over Arsia Mons. 50. He had no intense exposure to the dust cloud from the towers'collapse and no chronic exposure afterward.