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- 89601685 contributor B6036276.
- 89601685 created "1989.".
- 89601685 date "1989".
- 89601685 date "1989.".
- 89601685 dateCopyrighted "1989.".
- 89601685 description "Includes bibliographies.".
- 89601685 extent "v, 615 p. :".
- 89601685 issued "1989".
- 89601685 issued "1989.".
- 89601685 language "eng".
- 89601685 publisher "Washington : U.S. G.P.O. : For sale by the Supt. of Docs., Congressional Sales Office, U.S. G.P.O.,".
- 89601685 spatial "Iowa.".
- 89601685 spatial "United States.".
- 89601685 subject "363.73/84 20".
- 89601685 subject "Agricultural chemicals Environmental aspects Iowa.".
- 89601685 subject "Agricultural chemicals Environmental aspects United States.".
- 89601685 subject "Groundwater Pollution Iowa.".
- 89601685 subject "Groundwater Pollution United States.".
- 89601685 subject "KF27 .A33277 1988d".
- 89601685 subject "Water quality management Iowa.".
- 89601685 subject "Water quality management United States.".
- 89601685 title "Review of ground water quality concerns : hearings before the Subcommittee on Department Operations, Research, and Foreign Agriculture of the Committee on Agriculture, House of Representatives, One Hundredth Congress, first and second sessions, October 12, 1987, Humboldt, IA; October 27 and December 9, 1987; March 29 and May 24, 1988.".
- 89601685 type "text".