71.   But the work of clearing the rubble was proceeding with caution because of an unknown number of explosive devices hidden in the camp.

72.   By August they had only just begun clearing the rubble.

73.   Firefighters requisitioned all available bulldozers to clear the rubble.

74.   Troops sent from the provincial capital of Jambi cleared rubble in the worst hit areas.

75.   Troops sent from the provincial capital of Jambi were clearing rubble in the worst hit areas.

76.   Troops sent from the provincial capital of Jambi were clearing rubble in the worst hit zone.

77.   Yosemite National Park work crews cleared rubble and looked for possible casualties Friday a day after a massive rockslide killed one person and sent up billowing clouds of dust.

78.   Meanwhile, Oklahoma City officials called off round-the-clock rescue operations and brought in heavy equipment to help clear the rubble.

79.   Saturday morning several Israeli bulldozers were clearing the rubble, while some of the troops that laid siege to the building were seen leaving the area by truck.

80.   Saturday morning Israeli bulldozers were clearing the rubble, while some of the troops that laid siege to the building were seen leaving the area by truck.