01281nam 2200397Ia 450 991069737540332120240105005140.0(CKB)5470000002387176(OCoLC)240758322(EXLCZ)99547000000238717620080807a20089999 ua engb|||||||||||||||||||||durcn|||||||||crdrdacontentcrdamediacrrdacarrierZebra mussel sightings distribution[electronic resource] NAS--nonindigenous aquatic species[Reston, Va.] U.S. Dept. of the Interior, U.S. Geological Survey[2008-]1 electronic map HTML fileTitle from HTML home page last updated April 22, 2008 (viewed on Aug. 7, 2008).Shows sightings from 1998 to present.Includes location map.Zebra mussel sightings distribution Zebra musselNorth AmericaMapsMaps.lcgftZebra musselGeological Survey (U.S.)GPOGPOBOOK9910697375403321Zebra mussel sightings distribution3660588UNINA