71.   No trace has been found of the purported drawing, according to Smith and Ms. Norman.

72.   Officials said they would not declare the crash to be a result of a bomb until they had found traces of bomb materials on wreckage from the crash.

73.   Once outside city limits, finding traces of the original highway becomes something of a scavenger hunt.

74.   One federal investigator said Friday that the traces were found inside the rear cargo hold, toward the tail of the plane.

75.   One federal investigator said Thursday that the traces were found inside the rear cargo hold, toward the tail of the plane.

76.   Police later tested his syringe and found no trace of any drug.

77.   Preliminary French and Swiss test results found no traces of VX.

78.   Police spokesmen at the site said they were unable to determine the cause of the building collapse, but that they had not yet found traces of man-made explosives.

79.   Regulators have found traces of dioxin, a highly toxic pollutant, outside a former wood-treatment plant in the Missouri Ozarks town of Ava.

80.   Researchers found no trace of micranthemum, a delicate plant with minute white flowers that once grew abundantly along riverbanks.