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The stream-gaging program of the U.S. Geological Survey / by Kenneth L. Wahl, Wilbert O. Thomas, Jr., and Robert M. Hirsch (U.S. Geological Survey circular ; 1123)

The stream-gaging program of the U.S. Geological Survey / by Kenneth L. Wahl, Wilbert O. Thomas, Jr., and Robert M. Hirsch (U.S. Geological Survey circular ; 1123)
Microform図書
1995<YCA-I 19.4/2:1123>
National Diet Library
  • Author HeadingWahl, Kenneth L Thomas, Wilbert O., 1943- Hirsch, Robert M Geological Survey (U.S.)

Concepts for a national water-quality assessment program / by Robert M. Hirsch, William M. Alley, and William G. Wilber (U.S. Geological Survey circular ; 1021)

Concepts for a national water-quality assessment program / by Robert M. Hirsch, William M. Alley, and William G. Wilber (U.S. Geological Survey circular ; 1021)
Microform図書
1988<YCA-I 19.4/2:1021>
National Diet Library
  • Author HeadingHirsch, Robert M Alley, William M Wilber, Will...

Trend analysis of weekly acid rain data--1978-83 / by Terry L. Schertz and Robert M. Hirsch (U.S. Geological Survey water-resources investigations report ; 85-4211)

Trend analysis of weekly acid rain data--1978-83 / by Terry L. Schertz and Robert M. Hirsch (U.S. Geological Survey water-resources investigations report ; 85-4211)
Microform図書
1985<YCA-I 19.42/4:85-4211>
National Diet Library
  • Author HeadingSchertz, Terry L Hirsch, Robert M Geological Survey (U.S.)

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