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Water quality in the eastern Iowa basins, Iowa and Minnesota, 1996-98 / by Stephen J. Kalkhoff ... [et al.] (U.S. Geological Survey circular ; 1210)

Water quality in the eastern Iowa basins, Iowa and Minnesota, 1996-98 / by Stephen J. Kalkhoff ... [et al.] (U.S. Geological Survey circular ; 1210)
Microform図書
2000<YCA-I 19.4/2:1210>
National Diet Library
  • Subject HeadingWater quality -- Iowa Water quality -- Minnesota Watersheds -- Iowa Watersheds -- Minnesota

Upper Locust Creek Watershed in Missouri and Iowa; and Howard Creek Watershed in West Virginia : hearing before the Subcommittee on Conservation, Credit, and Rural Development of the Committee on Agriculture, House of Representatives, One Hundred First Congress, first session, April 5, 1989

Upper Locust Creek Watershed in Missouri and Iowa; and Howard Creek Watershed in West Virginia : hearing before the Subcommittee on Conservation, Credit, and Rural Development of the Committee on Agriculture, House of Representatives, One Hundred First Congress, first session, April 5, 1989
Microform図書
1989<YCA-Y 4.Ag 8/1:101-5>
National Diet Library
  • Subject HeadingWatersheds -- Missouri Watersheds -- Iowa Watersheds -- West Virginia

Application of hydrologic simulation program-FORTRAN (HSPF) in Iowa agricultural watersheds / by Anthony S. Donigian, Jr. ... [et al.]

Application of hydrologic simulation program-FORTRAN (HSPF) in Iowa agricultural watersheds / by Anthony S. Donigian, Jr. ... [et al.]
Microform図書
1983<YCA-EP 1.89/2:600/S 3-83-069>
National Diet Library
  • Subject HeadingWater quality management -- Iowa -- Data processing Watersheds -- Iowa

Field-to-stream transport of agricultural chemicals and sediment in an Iowa watershed / H.P. Johnson and J.L. Baker

Field-to-stream transport of agricultural chemicals and sediment in an Iowa watershed / H.P. Johnson and J.L. Baker
Microform図書
1982<YCA-EP 1.89/2:600/S 3-84-055>
National Diet Library
  • Subject HeadingWatersheds -- Iowa Water -- Pollution -- Iowa Er...

Agricultural chemicals in ground and surface water in a small watershed in Clayton County, Iowa, 1988-91 / by Stephen J. Kalkhoff and Bryan D. Schaap ; prepared in cooperation with Iowa Department of Natural Resources (Geological Survey Bureau). (Water-resources investigations report ; 95-4158)

Agricultural chemicals in ground and surface water in a small watershed in Clayton County, Iowa, 1988-91 / by Stephen J. Kalkhoff and Bryan D. Schaap ; prepared in cooperation with Iowa Department of Natural Resources (Geological Survey Bureau). (Water-resources investigations report ; 95-4158)
Paper図書
U.S. Dept. of the Interior, U.S. Geological Survey1996.<ME354-A67>
National Diet Library
  • Subject Heading...layton County. Watersheds -- Iowa -- Clayton County. Water qual...

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