51.   Cleanup crews dispersed the patch by spraying it with chemicals from boats and from a plane.

52.   Cleanup crews finished work Saturday.

53.   Cleanup crews are trying to contain the oil with makeshift dams of silt and other material.

54.   Cleanup crews continued a snow removal marathon.

55.   Cleanup crews dug ditches and deep holes to capture the oil, which was being vacuumed into trucks and transferred to storage tanks.

56.   Cleanup crews were busy Sunday scooping up the contaminated snow and hauling it away to storage containers.

57.   Cleanup crews working in darkness took several hours to remove debris from the runway.

58.   Cleanup crews worked throughout the day Thursday to reduce a giant oil spill on the Vltava river north of Prague.

59.   Cleanup crews built roads to the derailment site so they could reach the leaking cars with pumper tankers, Wetzler said.

60.   Cleanup crews consisting of paid staff and volunteers used magnets, sifting machines and other devices to pick up trash, she said.