01275nam a2200325Ia 4500001000700000003000600007005001700013008004100030010001700071020001500088040001300103043003000116050002300146074001100169074002000180082002400200086001800224245012400242260014400366300004400510490002600554504005200580530004300632650004600675650007800721700002500799710003800824830004300862856004400905266753OCoLC20200624062625.0040616s2004    vauab   rb   f000 0 eng d  a  2003063066  a060792635X  aBUFcBUF  an-us-dean-us-mdan-us-va00aTD224.D4bW38 2003  a0620-A  a0620-A (online)00a363.739/42/09752220 aI 19.4/2:122800aWater quality in the Delmarva Peninsula, Delaware, Maryland, and Virginia, 1999-2001cby Judith M. Denver ... [et al.].  aReston, VAbU.S. Dept. of the Interior, U.S. Geological SurveyaDenver, CObFor sale by U.S. Geological Survey, Information Servicesc2004.  avi, 30 p.bcol. ill., col. mapsc28 cm.1 aCircularv12282Local  aIncludes bibliographical references (p. 24-25).  aAlso available via the World Wide Web. 0aWater qualityzDelmarva Peninsula.2Local 0aAgricultural chemicalsxEnvironmental aspectszDelmarva Peninsula.2Local1 aDenver, J. M.2Local  aGeological Survey (U.S.)  2Local 0aU.S. Geological Survey circularv1228.41uhttp://purl.access.gpo.gov/GPO/LPS50145