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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
  • Author HeadingKalkhoff, Stephen J. Schaap, Bryan D.

Water-quality data of stormwater runoff from Davenport, Iowa, 1992 and 1994 [microform] / by Bryan D. Schaap and Robert F. Einhellig ; in cooperation with the City of Davenport, Iowa (U.S. Geological Survey open-file report ; 95-759)

Water-quality data of stormwater runoff from Davenport, Iowa, 1992 and 1994 [microform] / by Bryan D. Schaap and Robert F. Einhellig ; in cooperation with the City of Davenport, Iowa (U.S. Geological Survey open-file report ; 95-759)
Microform図書
1996<YCA-I 19.76:95-759>
National Diet Library

Bouguer gravity anomaly map of Minnesota

Bouguer gravity anomaly map of Minnesota
Paper地図
compiled by Val W. Chandler and Bryan D. SchaapMinnesota Geological Survey, University of Minnesota[1991]
Other Libraries in Japan
  • Author HeadingChandler, Val W. Schaap, Bryan D. Minnesota Geological Survey

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