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Wetlands status and trends in the conterminous United States mid-1970's to mid-1980's

T.E. Dahl ; C.E. Johnson | [S.l.] : US Department of the Interior. Fish and Wildlife Service Washington | 1991

US Department of the Interior. Fish and Wildlife Service Washington (USA) 23p 10fig 4tabl

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Article

Wetlands losses in the United States 1780's to 1980's

T.E. Dahl | [S.l.] : US Fish and Wildlife Service Washington | 1990

US Fish and Wildlife Service Washington (USA) 13p

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National status and trends study: Estimating wetland resources in the 1980's. In: Wetlands: Concern and successes

T.E. Dahl ; H.R. Pywell 1989

American water resources association ? p25-31

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