1.
 |  | Title: Post-Flood Occurrence of Selected Agricultural Chemicals and Volatile Organic Compounds in Near-Surface Unconsolidated Aquifers in the Mississippi
by Dana W. Kolpin, E. M. Thurman
ISBN: 9995457938
Pub. Date: 01 July, 1995
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2.
|  | Title: Herbicides and nitrate in near-surface aquifers in the midcontinental United States, 1991 (SuDoc I 19.13:2413)
by Dana W. Kolpin
ISBN: B00010G8O6
Publisher: U.S. G.P.O. For sale by USGS Map Distribution
Pub. Date: 1994
|
3.
|  | Title: Work plan for regional reconnaissance for selected herbicides and nitrate in ground water of the mid-continent United States, 1991 (SuDoc I 19.76:91-59)
by Dana W. Kolpin
ISBN: B000109L9K
Publisher: U.S. Geological Survey Books and Open-File Reports [distributor]
Pub. Date: 1991
|
4.
|  | Title: Hydrogeologic, water-quality, and land-use data for the reconnaissance of herbicides and nitrate in near-surface aquifers of the midcontinental United States, 1991 (SuDoc I 19.76:93-114)
by Dana W. Kolpin
ISBN: B00010KBLW
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey Books and Open-File Reports [Section, distributor]
Pub. Date: 1993
|
5.
|  | Title: Postflood occurrence of selected agricultural chemicals and volatile organic compounds in near-surface unconsolidated aquifers in the upper Mississippi River Basin, 1993 (SuDoc I 19.4/2:1120-G)
by Dana W. Kolpin
ISBN: B00010MNLS
Publisher: U.S. G.P.O. US Geological Survey, Information Services, [distributor]
Pub. Date: 1995
|
6.
|  | Title: Water-quality data for nutrients, pesticides, and volatile organic compounds in near-surface aquifers of the midcontinental United States, 1992-1994 (SuDoc I 19.76:96-435)
by Dana W. Kolpin
ISBN: B00010V9MW
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey Branch of Information Services [distributor]
Pub. Date: 1996
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