Agricultural chemicals in ground and surface water in a small watershed in Clayton County, Iowa, 1988-91

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086 0 ‡aI 19.42/4:95-4158
090 ‡aGB701 ‡b.W375 no.95-4158
100 1 ‡aKalkhoff, Stephen J.
245 1 0 ‡aAgricultural chemicals in ground and surface water in a small watershed in Clayton County, Iowa, 1988-91 / ‡cby Stephen J. Kalkhoff and Bryan D. Schaap ; prepared in cooperation with Iowa Department of Natural Resources (Geological Survey Bureau).
260 ‡aIowa City, Iowa : ‡bU.S. Dept. of the Interior, U.S. Geological Survey : ‡bEarth Science Information Center, U.S. Geological Survey, Open-File Reports Section [distributor], ‡c1996.
300 ‡avi, 38 p. : ‡bill., maps ; ‡c28 cm.
490 0 ‡aWater-resources investigations report ; ‡v95-4158
500 ‡aShipping list no.: 96-0146-P.
504 ‡aIncludes bibliographical references (p. 36-38).
538 ‡aMode of access: Internet.
650 0 ‡aWater quality ‡zIowa ‡zClayton County ‡xMeasurement.
650 0 ‡aWatersheds ‡zIowa ‡zClayton County.
650 0 ‡aAgricultural pollution ‡zIowa ‡zClayton County.
650 0 ‡aAgricultural chemicals ‡xEnvironmental aspects ‡zIowa ‡zClayton County.
700 1 ‡aSchaap, Bryan D.
710 2 ‡aGeological Survey (U.S.)
710 1 ‡aIowa. ‡bDepartment of Natural Resources. ‡bGeological Survey Bureau.
899 ‡a39015037738146 ‡bScience Serials
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